Column 1 of triangle T=A167015: a(n) = T(n+1,1) = [T^(n+1)](n-1,0) for n>0 with a(0)=1.

A167017

Column 1 of triangle T=A167015: a(n) = T(n+1,1) = [T^(n+1)](n-1,0) for n>0 with a(0)=1.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =14a(4) =105a(5) =1080a(6) =13916a(7) =212634a(8) =3723198a(9) =73047825a(10) =1581256303a(11) =37350588290a(12) =954796686233

External references