Second unsigned column of triangle A051339.
A051545
Second unsigned column of triangle A051339.
Terms
- a(0) =0a(1) =1a(2) =15a(3) =191a(4) =2414a(5) =31594a(6) =434568a(7) =6314664a(8) =97053936a(9) =1576890000a(10) =27046454400a(11) =488849155200
External references
- oeis: A051545