a(n) = -2^(2*n+1)*(E(2*n+1, 1/2) + E(2*n+1, 1) + 2*(E(2*n+2, 1/2) + E(2*n+2, 1))), where E(n,x) are the Euler polynomials.
A241242
a(n) = -2^(2*n+1)*(E(2*n+1, 1/2) + E(2*n+1, 1) + 2*(E(2*n+2, 1/2) + E(2*n+2, 1))), where E(n,x) are the Euler polynomials.
Terms
- a(0) =0a(1) =-3a(2) =45a(3) =-1113a(4) =42585a(5) =-2348973a(6) =176992725a(7) =-17487754833
External references
- oeis: A241242