Denominators of coefficients of expansion of arctan(x)^3.
A231121
Denominators of coefficients of expansion of arctan(x)^3.
Terms
- a(0) =1a(1) =1a(2) =15a(3) =945a(4) =175a(5) =17325a(6) =23648625a(7) =1576575a(8) =7309575a(9) =1283268987a(10) =3360942585a(13) =218461268025
External references
- oeis: A231121