a(n) = 6 * GaussBinomial(2*n, 2, 2) * Bernoulli(2*n, 1).
A346464
a(n) = 6 * GaussBinomial(2*n, 2, 2) * Bernoulli(2*n, 1).
Terms
- a(0) =0a(1) =1a(2) =-7a(3) =93a(4) =-2159a(5) =79205a(6) =-4243431a(7) =313117357a(8) =-30459187423
External references
- oeis: A346464