In mathematics, the Bernoulli numbers Bn are a sequence of rational numbers with deep connections to number theory. The values of the first few Bernoulli numbers are B0 = 1, B1 = ±1â„2, B2 = 1â„6, B3 = 0, B4 = −1â„30, B5 = 0, B6 = 1â„42, B7 = 0, B8 = −1â„30.