a(n) = Euler(n, n+1) * 2^valuation(n+1, 2), where Euler(n, x) denotes the Euler polynomial.
A291982
a(n) = Euler(n, n+1) * 2^valuation(n+1, 2), where Euler(n, x) denotes the Euler polynomial.
Terms
- a(0) =1a(1) =3a(2) =6a(3) =161a(4) =380a(5) =9251a(6) =68922a(7) =9718545a(8) =24721272a(9) =1140755269a(10) =14712346550
External references
- oeis: A291982