54771

Appears in sequences

• Number of ways to arrange 6 nonattacking triangular rooks on an n X n X n triangular grid.at n=10A193984
• Irregular array by rows: A(n,m) is the least number which gives a pandigital product when multiplied by the m-th repunit in base n; each row is truncated when it reaches its stationary point.at n=25A277055