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

0,3

Links

Table of n, a(n) for n=0..21.

Crossrefs

Diagonal of A263752.

Sequence in context: A000805 A263750 A263751 * A276840 A364426 A178011

Adjacent sequences: A263742 A263743 A263744 * A263746 A263747 A263748

Keyword

nonn

Author

R. H. Hardin, Oct 25 2015

Extensions

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

Status

approved