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A264700
Number of 3Xn arrays of permutations of 0..n*3-1 with rows nondecreasing modulo 4 and columns nondecreasing modulo 5.
0
1, 3, 68, 1541, 37595, 1947196, 148906136, 15063986288
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OFFSET
1,2
COMMENTS
Row 3 of
A264698
.
LINKS
Table of n, a(n) for n=1..8.
EXAMPLE
Some solutions for n=5
..0.12.10..6.11....0..8..5.10..6....0..1..9..5.10...12..0..5..1.11
..5..9..1..3..7....2.14..7..3.11....6..2.14..3.11....8..6.10..7..3
..8..4.13.14..2...12..4..9.13..1...12..8..4.13..7....4..9.13..2.14
CROSSREFS
Cf.
A264698
.
Sequence in context:
A073163
A324082
A279491
*
A124181
A046432
A232326
Adjacent sequences:
A264697
A264698
A264699
*
A264701
A264702
A264703
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Nov 21 2015
STATUS
approved
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Last modified April 23 14:49 EDT 2024. Contains 371914 sequences. (Running on oeis4.)