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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
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
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 31 2015
STATUS
approved

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)