Row 1 of tables A124550 and A124560; also equals the antidiagonal sums of table A124550.
A124551
Row 1 of tables A124550 and A124560; also equals the antidiagonal sums of table A124550.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =5a(4) =16a(5) =66a(6) =348a(7) =2321a(8) =19437a(9) =203554a(10) =2661035a(11) =43399794a(12) =883165898a(13) =22436796424a(14) =712153021345
External references
- oeis: A124551