89544

Appears in sequences

• a(n) = floor(n*(n-1)*(n-2)*(n-3)/30).at n=42A011940
• Number of bracelets (turnover necklaces) of n beads of 2 colors, 11 of them black.at n=14A032282
• a(n) = n*(n^2-1)*(3*n+2).at n=14A115056
• Number T(n,k) of inequivalent n X n matrices with entry set {1,...,k}, where equivalence means permutations of rows or columns; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=13A256069