Cunnilingus & fellatio: Highest quoted number of positions

Fellatio position from the Kamasutra.
Credit: Arterotismo
This means that there is no upper limit to the number of ways that, e.g. oral sex, can be performed. This rather liberal way of interpreting sexual postures leads to odd consequences.
Legman, for instance, has suggested that there are 14,288,400 positions for cunnilingus alone! This strikes me as rather perplexing. Is he sure that there are not 14,288,401 ?