90350

Appears in sequences

• a(n) = n*(n+1)*(n^2 - 3*n + 6)/4.at n=25A062026
• G.f.: Sum_{n>=0} (n+1)*(n+2)*(n+3)*(n+4)/4! * x^n * (1 + x^n)^n.at n=28A326005