Denominator of the polynomial A_l(x) = sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=9.
A145626
Denominator of the polynomial A_l(x) = sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=9.
Terms
- a(0) =2a(1) =4a(2) =20a(3) =280a(4) =280a(5) =3080a(6) =40040a(7) =16016a(8) =272272a(9) =25865840a(10) =25865840a(11) =594914320a(12) =2974571600a(13) =2974571600a(14) =86262576400
External references
- oeis: A145626