a(n) = self-convolution of row n of array T given by A027157.
A027169
a(n) = self-convolution of row n of array T given by A027157.
Terms
- a(0) =4a(1) =33a(2) =128a(3) =976a(4) =4032a(5) =30576a(6) =129024a(7) =976896a(8) =4188160a(9) =31728128a(10) =137478144a(11) =1042407424a(12) =4552310784a(13) =34549346304a(14) =151786618880
External references
- oeis: A027169