a(n) = A001541(n)*A001653(n+1) + A001541(n)*A002315(n) + A001653(n+1)*A002315(n).

A111649

a(n) = A001541(n)*A001653(n+1) + A001541(n)*A002315(n) + A001653(n+1)*A002315(n).

Terms

    a(0) =3a(1) =71a(2) =2379a(3) =80783a(4) =2744211a(5) =93222359a(6) =3166815963a(7) =107578520351

External references