Numerator of Bernoulli(n, -4/9).

Terms

a(0) =1a(1) =-17a(2) =131a(3) =-442a(4) =24853a(5) =-11050a(6) =612491a(7) =-300118a(8) =25183573a(9) =970190a(10) =-4932076745a(11) =-1524611374a(13) =453106175990