Column 1 of triangle A102230 and equals the convolution of A032349 with A032349 shift right.
A102231
Column 1 of triangle A102230 and equals the convolution of A032349 with A032349 shift right.
Terms
- a(0) =0a(1) =1a(2) =5a(3) =32a(4) =236a(5) =1896a(6) =16116a(7) =142544a(8) =1298524a(9) =12100952a(10) =114820964a(11) =1105574400a(12) =10775285836a(13) =106098789832
External references
- oeis: A102231