The Compendium of Kāśyapa 8.6.66

8.6.66

tadeva karma sarveṣāṃ dvikādīnāṃ kṣayaṃ vinā
bhavatyevaṃ dvikānāṃ tu pañcaṣaṣṭyuttaraṃ śatam

That very function applies to all pairings and the rest, excluding decrease. / Thus for pairs, there are one hundred and sixty-five;