55740

Appears in sequences

• Number of 321-hexagon-avoiding permutations in S_n, i.e., permutations of 1..n with no submatrix equivalent to 321, 56781234, 46781235, 56718234 or 46718235.at n=11A058094
• Number of compositions (ordered partitions) of n into at least 2 distinct positive parts.at n=31A216695
• Number of compositions (ordered partitions) of n into distinct parts all relatively prime to n.at n=31A332002
• Number of compositions (ordered partitions) of n into distinct and relatively prime parts.at n=31A332004