Solution to a binomial problem together with companion sequence A081016(n-1).

A089508

Solution to a binomial problem together with companion sequence A081016(n-1).

Terms

    a(0) =1a(1) =14a(2) =103a(3) =713a(4) =4894a(5) =33551a(6) =229969a(7) =1576238a(8) =10803703a(9) =74049689a(10) =507544126a(11) =3478759199a(12) =23843770273a(13) =163427632718

External references