Brihat Jataka
त्रिंशत्सरूपा सुनफानफाख्या: षष्टित्रयं दौरुधरे प्रभेदा: ॥ इच्छाविकल्पै: क्रमशोऽभिनीय नीते निवृत्ति: पुनरन्यनीति: ॥ १३-४ ॥
There are thirty plus one (31) kinds each of those named Sanaphas and Anaphas Yogas, and sixty times three (180) kinds derived from the Durudhara Yogas with the variety of combinations having exhibited in due order. When obtained reducing (by one), again there is another form.
english translation
triMzatsarUpA sunaphAnaphAkhyA: SaSTitrayaM daurudhare prabhedA: ॥ icchAvikalpai: kramazo'bhinIya nIte nivRtti: punaranyanIti: ॥ 13-4 ॥
hk transliteration by Sanscript