Denominator of the polynomial A_l(x) = Sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=1.
A145610
Denominator of the polynomial A_l(x) = Sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=1.
Terms
- a(0) =2a(1) =12a(2) =20a(3) =280a(4) =2520a(5) =27720a(6) =360360a(7) =720720a(8) =4084080a(9) =15519504a(10) =5173168a(11) =356948592a(12) =8923714800a(13) =80313433200
External references
- oeis: A145610