313956

Appears in sequences

• G.f.: 1/((1-x^2)^3*(1-x)^4).at n=30A060099
• Fourth column (m=3) of triangle A060102.at n=15A060103
• a(n) = 3^4 * binomial(n+3, 4).at n=15A102741
• a(n) = n*(1 - (-1)^n - 2*(3 + (-1)^n)*n^2 + 2*n^4)/384.at n=36A350689