a(n) = 3rd Euler polynomial evaluated at 2^n and multiplied by 4.
A020523
a(n) = 3rd Euler polynomial evaluated at 2^n and multiplied by 4.
Terms
- a(0) =-1a(1) =9a(2) =161a(3) =1665a(4) =14849a(5) =124929a(6) =1024001a(7) =8290305a(8) =66715649a(9) =535298049a(10) =4288675841a(11) =34334572545a(12) =274777243649
External references
- oeis: A020523