Denominator of the polynomial A_l(x) = sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=3.
A145614
Denominator 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) =2a(1) =4a(2) =20a(3) =280a(4) =280a(5) =3080a(6) =5720a(7) =2288a(8) =116688a(9) =3695120a(10) =25865840a(11) =594914320a(12) =2974571600a(13) =8923714800a(14) =86262576400
External references
- oeis: A145614