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A188961
Number of nX4 array permutations with each element moved by a city block distance of no more than three
0
24, 24024, 75764664, 251096032912, 573780546403024
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OFFSET
1,1
COMMENTS
Column 4 of
A188962
LINKS
Table of n, a(n) for n=1..5.
EXAMPLE
Some solutions for 3X4
..0..1..5..3....0..1..5..3....0..1..5..3....0..1..5.10....0..1..5.10
..6..8..9..2....7.11..4..2....9.10.11..7....7.11..3..4....2..7..3..9
.11..7..4.10...10..9..6..8....4..6..2..8....8..6..2..9....6..8..4.11
CROSSREFS
Sequence in context:
A167066
A166338
A258874
*
A153303
A272095
A188952
Adjacent sequences:
A188958
A188959
A188960
*
A188962
A188963
A188964
KEYWORD
nonn
AUTHOR
R. H. Hardin
Apr 14 2011
STATUS
approved
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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)