Numerator of the polynomial A_l(x) = sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=3.
A145613
Numerator of the polynomial A_l(x) = sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=3.
Terms
- a(0) =21a(1) =393a(2) =17731a(3) =2234571a(4) =20111503a(5) =1991042087a(6) =33278851497a(7) =119803867191
External references
- oeis: A145613