73546

Appears in sequences

• a(n) = (n+1)(n+2)(n+3)(35n^3 + 153n^2 + 232n + 120)/720.at n=9A107971
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-2), where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4.at n=20A293076
• Expansion of (1/(1 - x))*Product_{k>=1} (1 - x^(3*k))/(1 - x^k).at n=44A304630