Numerator of Sum_{k=0..2n} (-1)^k/C(2n,k)^3.

A122184

Numerator of Sum_{k=0..2n} (-1)^k/C(2n,k)^3.

Terms

    a(0) =1a(1) =15a(2) =1705a(3) =47789a(4) =1369377a(5) =213162301a(6) =43005554527a(7) =14505995375

External references