Declension table of ?saptāṣṭan

Masculine	Singular	Dual	Plural
Nominative	saptāṣṭā	saptāṣṭānau	saptāṣṭānaḥ
Vocative	saptāṣṭan	saptāṣṭānau	saptāṣṭānaḥ
Accusative	saptāṣṭānam	saptāṣṭānau	saptāṣṭnaḥ
Instrumental	saptāṣṭnā	saptāṣṭabhyām	saptāṣṭabhiḥ
Dative	saptāṣṭne	saptāṣṭabhyām	saptāṣṭabhyaḥ
Ablative	saptāṣṭnaḥ	saptāṣṭabhyām	saptāṣṭabhyaḥ
Genitive	saptāṣṭnaḥ	saptāṣṭnoḥ	saptāṣṭnām
Locative	saptāṣṭni saptāṣṭani	saptāṣṭnoḥ	saptāṣṭasu

Compound saptāṣṭa -

Adverb -saptāṣṭam