396980

Appears in sequences

• a(n) = Sum_{1 <= i < j <= n} (j-i)^3.at n=23A024166
• Expansion of (1+4*x)/(1-6*x+x^2).at n=7A054489
• Values of n such that n^2 + 5 is a triangular number (A000217).at n=14A276599