Diagonal sums of second binomial transform of the Narayana triangle A001263.

A178578

Diagonal sums of second binomial transform of the Narayana triangle A001263.

Terms

    a(0) =1a(1) =3a(2) =10a(3) =34a(4) =118a(5) =417a(6) =1497a(7) =5448a(8) =20063a(9) =74649a(10) =280252a(11) =1060439a(12) =4040413a(13) =15488981a(14) =59701236a(15) =231236830a(16) =899559100a(17) =3513314664a(18) =13770811198a(19) =54152480421a(20) =213585706927a(21) =844723104691

External references