187800

Appears in sequences

• a(n) = n*(n - 1)*(n^2 + 1)/2.at n=25A071252
• Number of ways of writing n as the sum of 10 triangular numbers from A000217.at n=25A226254
• Solution of the complementary equation a(n) = a(0)*b(n-1) + a(1)*b(n-2) + ... + a(n-1)*b(0), where a(0) = 2, a(1) = 4, b(0) = 1, and (a(n)) and (b(n)) are increasing complementary sequences.at n=11A296003