Row sums of triangle A125280, which is the convolution triangle of A030266.
A125280
Row sums of triangle A125280, which is the convolution triangle of A030266.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =15a(4) =53a(5) =217a(6) =1011a(7) =5260a(8) =30041a(9) =185677a(10) =1228209a(11) =8620874a(12) =63792445a(13) =495163451a(14) =4015888557a(15) =33923543492a(16) =297706713081
External references
- oeis: A125280