a(n) = self-convolution of row n of array T given by A025177.
A027257
a(n) = self-convolution of row n of array T given by A025177.
Terms
- a(0) =1a(1) =2a(2) =8a(3) =58a(4) =462a(5) =3782a(6) =31436a(7) =264134a(8) =2237640a(9) =19079574a(10) =163538472a(11) =1407813438a(12) =12163015662a(13) =105407889930a(14) =915913267652
External references
- oeis: A027257