Numerators of unsigned columns of triangle A110504: a(n) = n!*A110504(n,0) = (-1)^k*n!*A110504(n+k,k) for all k >= 0.
A110505
Numerators of unsigned columns of triangle A110504: a(n) = n!*A110504(n,0) = (-1)^k*n!*A110504(n+k,k) for all k >= 0.
Terms
- a(0) =0a(1) =1a(2) =3a(3) =7a(4) =30a(5) =144a(6) =876a(7) =6084a(8) =48816a(9) =438624a(10) =4389120a(11) =48263040a(12) =579242880a(13) =7529552640a(14) =105417365760
External references
- oeis: A110505