Numerator of Bernoulli(n, -1/8).

Terms

a(0) =1a(1) =-5a(2) =59a(3) =-45a(4) =-833a(5) =555a(6) =91949a(7) =-39165a(8) =-5905553a(9) =4525659a(10) =1896207145a(11) =-805349325a(13) =203564524683