Expansion of Sum_{k>=0} x^k * Product_{j=0..k-1} (2 * j + x).
A353255
Expansion of Sum_{k>=0} x^k * Product_{j=0..k-1} (2 * j + x).
Terms
- a(0) =1a(1) =0a(2) =1a(3) =2a(4) =9a(5) =54a(6) =429a(7) =4252a(8) =50605a(9) =703388a(10) =11184597a(11) =200247446a(12) =3986363597a(13) =87343744490
External references
- oeis: A353255