Numerator of Bernoulli(n, 1/11).

Terms

a(0) =1a(1) =-9a(2) =61a(3) =45a(4) =-11641a(5) =-2265a(6) =1475461a(7) =278565a(8) =-179936881a(9) =-60825357a(10) =9913045555a(11) =20454873825