Third diagonal (M=3) of triangle A115154 (called Y(3,1)).

A115189

Third diagonal (M=3) of triangle A115154 (called Y(3,1)).

Terms

    a(0) =1a(1) =40a(2) =466a(3) =4870a(4) =50053a(5) =516256a(6) =5371210a(7) =56422444a(8) =598180570a(9) =6395471992a(10) =68897550064a(11) =747270112390

External references