Odu Ifá

The 256 odù are fixed; their verses are not. UNESCO, inscribing Ifá in 2008, counted about 800 per odù and said the number keeps increasing.

UNESCO, 'Ifa divination system' (inscribed 2008 on the Representative List, originally proclaimed 2005), ich.unesco.org/en/RL/ifa-divination-system-00146

The Yoruba Ifá corpus: 256 odù, or signs, each with verses diviners chant from memory.

Sources1 source

Scholarship

UNESCO Intangible Cultural Heritage, Ifa divination system (Nigeria), Representative List of the Intangible Cultural Heritage of Humanity, 2008, inscription 3.COM, originally proclaimed 2005The corpus has 256 odù whose verses (ese), chanted by the babalawo, number about 800 each and keep increasing; Ifá is Ọ̀rúnmìlà, deity of wisdom; signs are cast with palm-nuts or a chain; proclaimed 2005, inscribed 2008.
there are around 800 ese per odu