2047032

Appears in sequences

• a(n) = Sum_{k=0..m} (k+1) * A026082(n, k), where 0 <= k <= m, m=n for n=0,1,2,3; m=2n for n >= 4.at n=12A027319
• Duplicate of A027319.at n=12A027320
• a(n) = 4*(n^4-n^3).at n=26A160538