A263745 Number of length n arrays of permutations of 0..n-1 with each element moved by -n to n places and every three consecutive elements having its maximum within 5 of its minimum.

1, 1, 2, 6, 24, 120, 720, 2400, 5424, 11568, 26796, 68966, 198332, 558032, 1509568, 3898288, 9694608, 23885448, 59953920, 152383072, 389677200, 996510496

Offset: 0

Author

R. H. Hardin, Oct 25 2015

Keywords

• nonn

Crossrefs

Diagonal of A263752.

Extensions

a(0)=1, a(21) from Alois P. Heinz, Oct 29 2020