Antidiagonal sums of number triangle A129652.

A129653

Antidiagonal sums of number triangle A129652.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =15a(4) =83a(5) =556a(6) =4435a(7) =40773a(8) =423836a(9) =4908403a(10) =62606297a(11) =871421976a(12) =13136605577a(13) =213122669141

External references