151600

Appears in sequences

• a(n) = n^4 - n^3 - n^2.at n=20A132998
• Lower triangular array, called S1hat(-5), related to partition number array A145372.at n=58A145373
• Array read by antidiagonals: T(n,k) is the number of nonisomorphic multisets of endofunctions on an n-set with k endofunctions.at n=48A362897