182502973885
domain: N
Appears in sequences
- Number of permutations of 4 copies of 1..n introduced in order 1..n with no element equal to another within a distance of 1.at n=6A190830
- Number of permutations of n copies of 1..6 introduced in order 1..6 with no element equal to another within a distance of 1.at n=3A190923
- Square array A(n,k), n >= 1, k >= 1, read by antidiagonals, where A(n,k) is the number of permutations of n copies of 1..k introduced in order 1..k with no element equal to another within a distance of 1.at n=39A322013