Numerator of Bernoulli(n, 1/7).

Terms

a(0) =1a(1) =-5a(2) =13a(3) =15a(4) =-1321a(5) =-335a(6) =10219a(7) =16955a(8) =-3573841a(9) =-1503963a(10) =879397865a(11) =204957775a(12) =-851608366093a(13) =-39666688711