496096

Appears in sequences

• a(1) = a(2) = a(3) = 1 and a(n) = 24*binomial(n+1, 5) + n*(n^2 - n + 6) for n > 3.at n=19A062027
• Expansion of 1/((1-x)*(1-2*x^2)*(1-3*x^3)).at n=29A291986