Numerator of (2*n+1)!*8*Bernoulli(2*n,1/2).

A033473

Numerator of (2*n+1)!*8*Bernoulli(2*n,1/2).

Terms

    a(0) =8a(1) =-4a(2) =28a(3) =-930a(4) =96012a(5) =-24144750a(6) =12602990070

External references