a(n) = A001541(n)^2 + A001653(n+1)^2 + A002315(n)^2.

A111648

a(n) = A001541(n)^2 + A001653(n+1)^2 + A002315(n)^2.

Terms

    a(0) =3a(1) =83a(2) =2811a(3) =95483a(4) =3243603a(5) =110187011a(6) =3743114763a(7) =127155714923

External references