Fourth diagonal (M=4) of triangle A115154 (called Y(3,1)).

A115190

Fourth diagonal (M=4) of triangle A115154 (called Y(3,1)).

Terms

    a(0) =1a(1) =121a(2) =1762a(3) =20989a(4) =235543a(5) =2588641a(6) =28259704a(7) =308277688a(8) =3369314986a(9) =36937817182a(10) =406378312834

External references