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Gommatasara Karmakanda-736: There are three types of Trisanyogi-bhang, which are the combinations of Vibhaga, Chakshudarshan, and Kushruta, and one Chatursanyogi-bhang, which is the combination of all four. In total, there are 8 bhangs (1+3+3+1).
In Achakushudarshan, which is established on Chakshudarshan, there is one bhang for each. There are four Dwisanyogi-bhangs, which are the combinations of Achakushudarshan with Chakshudarshan-Vibhaga, Kushruta, and Kumati-jnana. There are six Trisanyogi-bhangs, which are the combinations of Achakushudarshan with Chakshudarshan and Kumati-jnana, or Achakushudarshan, Chakshudarshan, and Kushruta-jnana, or Achakushudarshan, Chakshudarshan, and Vibhaga-jnana, or Achakushudarshan and Kumati-Kushruta-jnana, or Achakushudarshan and Kumati-Vibhaga-jnana, or Achakushudarshan and Kushruta-Vibhaga-jnana. There are four Chatursanyogi-bhangs, which are the combinations of Achakushudarshan, Chakshudarshan, and Kumati-Kushruta-jnana, or Achakushudarshan, Chakshudarshan, and Kumati-Vibhaga-jnana, or Achakushudarshan, Chakshudarshan, and Kushruta-Vibhaga-jnana, or Achakushudarshan, Chakshudarshan, Kumati-Kushruta, and Vibhaga-jnana. There is one Panchasanyogi-bhang, which is the combination of Achakushudarshan, Chakshudarshan, Vibhaga, Kushruta, and Kumati-jnana. In total, there are 16 bhangs (1+4+6+4+1).
In Danalabdhi, which is established on Achakushudarshan, there is one bhang for each. There are five Dwisanyogi-bhangs, ten Trisanyogi-bhangs, ten Chatursanyogi-bhangs, five Panchasanyogi-bhangs, and one Shashasanyogi-bhang. In total, there are 32 bhangs (1+5+10+10+5+1).
In this way, the number of bhangs doubles for each subsequent pad. While each bhang is one, the number of Dwi, Tri, Chatur, etc. bhangs increases with the changing combinations of the underlying bhavas. For example, there are 64 bhangs in Labhalabdhi, 128 in Bhogalabdhi, 256 in Upbhogalabdhi, 512 in Viryalabdhi, 1024 in Mithyatva, 2048 in Ajnana, 4096 in Asanyama, 8192 in Asiddhatva, and 16,384 in Jivatva.
Here's how the 16,384 bhangs occur in the 15th Jiva-pad: there is one bhang for each, 14 Dwisanyogi and 14 Chaudasanyogi bhangs, 91 Trisanyogi and 91 Terasanyogi bhangs (which are the sum of the first 12 numbers), 364 Chatursanyogi and 364 Barasanyogi bhangs (which are the sum of the first 12 numbers twice), 1001 Panchasanyogi and 1001 Ekadasanyogi bhangs (which are the sum of the first 11 numbers thrice), 2002 Shashasanyogi and 2002 Dasasanyogi bhangs (which are the sum of the first 10 numbers four times), 3003 Saptasanyogi and 3003 Navasanyogi bhangs (which are the sum of the first 9 numbers five times), and 3432 Ashasanyogi bhangs (which are the sum of the first 8 numbers six times).
Therefore, there are 16,384 bhangs in the 15th Jiva-pad. This number is one-fourth of "Pannatti," which is 65,536. The method of calculating the bhangs by adding the numbers once, twice, etc., is the same as described in the "Jnanadhikari" section of the Gommatasara Jivakanda, where the letters of Shruta-jnana are described in the "Patteya-bhangamegam" etc. verses.
1. "Patteya-bhangamegam besanyogam viruvapadamettan. Tiyasanyogadhipya ruvahiyawar hiinapad sankalid."
(Gom.Ji.Ga. 354, Big Commentary, p. 752)