Natyashastra
प्रथमः षोडशकलश्चतुर्विंशतिकस्तथा । द्वितीयश्च तृतीयश्च सन्निपातकलाधिकः ॥ १७६॥
The first Sannipāta consists of sixteen Kalās, the second of twenty-four, and the third has one Kalā more than the second.
english translation
prathamaH SoDazakalazcaturviMzatikastathA । dvitIyazca tRtIyazca sannipAtakalAdhikaH ॥ 176॥
hk transliteration by Sanscript