4540536000

Appears in sequences

• Magic products of 7 X 7 multiplicative magic squares.at n=3A113027
• Triangle read by rows: T(n,m) is the number of inequivalent n X m matrices under action of the Klein group, with one-seventh each of 1's, 2's, 3's, 4's, 5's, 6's and 7's (ordered occurrences rounded up/down if n*m != 0 mod 7).at n=14A287377