Column 2 of triangle A129276; a(n) is the coefficient of q^(2n+2) in the squared q-factorial of n+2.

A129278

Column 2 of triangle A129276; a(n) is the coefficient of q^(2n+2) in the squared q-factorial of n+2.

Terms

    a(0) =1a(1) =8a(2) =106a(3) =1558a(4) =23589a(5) =360499a(6) =5530445a(7) =85040656a(8) =1310211074a(9) =20223812711a(10) =312728963211

External references