Generalized Euler numbers, or Springer numbers.
A001586
Generalized Euler numbers, or Springer numbers.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =11a(4) =57a(5) =361a(6) =2763a(7) =24611a(8) =250737a(9) =2873041a(10) =36581523a(11) =512343611a(12) =7828053417a(13) =129570724921
External references
- oeis: A001586