A263745 - OEIS

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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

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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