a(n) = 2^n*E2_{n}(1/2) with E2_{n} the polynomials defined in A326480.
A326483
a(n) = 2^n*E2_{n}(1/2) with E2_{n} the polynomials defined in A326480.
Terms
- a(0) =1a(1) =-2a(2) =-4a(3) =40a(4) =80a(5) =-1952a(6) =-3904a(7) =177280a(8) =354560a(9) =-25866752a(10) =-51733504a(11) =5535262720a(12) =11070525440
External references
- oeis: A326483