Obverse convolution (n)**(3n+2); see Comments.

A374866

Obverse convolution (n)**(3n+2); see Comments.

Terms

    a(0) =2a(1) =15a(2) =192a(3) =3465a(4) =80640a(5) =2297295a(6) =77414400a(7) =3011753745a(8) =132843110400

External references