Coefficient of x^(2*n+1) in arctanh(x)/sqrt(1-x^2), multiplied by (2*n+1)!.
A028353
Coefficient of x^(2*n+1) in arctanh(x)/sqrt(1-x^2), multiplied by (2*n+1)!.
Terms
- a(0) =1a(1) =5a(2) =89a(3) =3429a(4) =230481a(5) =23941125a(6) =3555578025a(7) =715154761125
External references
- oeis: A028353