Row sums of triangle A113711, in which row n forms a polynomial in y=2*k that generates diagonal n as k=0,1,2,... for n>=0.

A113715

Row sums of triangle A113711, in which row n forms a polynomial in y=2*k that generates diagonal n as k=0,1,2,... for n>=0.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =18a(4) =89a(5) =546a(6) =3893a(7) =31210a(8) =276393a(9) =2674346a(10) =28053749a(11) =317122018a(12) =3843832473a(13) =49745582994a(14) =684808185109

External references