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A264006 Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having index change (+-,+-) 0,0 1,2 or 1,0. 1
25, 925, 34225, 791245, 18292729, 457981160, 11466126400, 281815392680, 6926481776041, 170779751613677, 4210755835973569, 103753245808996525, 2556485447086755625, 62999780498241576325, 1552511220961364838001 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 3 of A264003.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..135

EXAMPLE

Some solutions for n=3

..0..1..2..5....0..1..2..3....0..1..6..3....0..1..6..3....6..5..4..7

.10.11..6..3....4..9..6.11....4..5..2.11...10..9..2..7....0..3..2..1

..4..7.12.15....8..7.12..5...12..7.10.15....8..5..4.11...12.15.14.13

..8.13.14..9...10.13.14.15....8.13.14..9...12.13.14.15...10.11..8..9

CROSSREFS

Cf. A264003.

Sequence in context: A224478 A159332 A218589 * A218203 A319492 A290814

Adjacent sequences:  A264003 A264004 A264005 * A264007 A264008 A264009

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 31 2015

STATUS

approved

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Last modified October 16 20:36 EDT 2021. Contains 348047 sequences. (Running on oeis4.)