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A189355
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T(n,k)=Number of nXk array permutations with each element moving one space diagonally, horizontally or vertically
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9
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0, 1, 1, 0, 4, 0, 1, 13, 13, 1, 0, 45, 48, 45, 0, 1, 160, 557, 557, 160, 1, 0, 565, 3632, 12592, 3632, 565, 0, 1, 2005, 30769, 237297, 237297, 30769, 2005, 1, 0, 7108, 229248, 4791913, 10252800, 4791913, 229248, 7108, 0, 1, 25209, 1815601, 94635005
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OFFSET
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1,5
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COMMENTS
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Table starts
.0.....1.........0............1................0....................1
.1.....4........13...........45..............160..................565
.0....13........48..........557.............3632................30769
.1....45.......557........12592...........237297..............4791913
.0...160......3632.......237297.........10252800............519621497
.1...565.....30769......4791913........519621497..........64731638400
.0..2005....229248.....94635005......24728774144........7675175968337
.1..7108...1815601...1883785285....1206541811872......927311536349401
.0.25209..13960720..37399042560...58289324009008...111267210412798665
.1.89401.108880333.743166198493.2827118724742121.13385995390731369181
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LINKS
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EXAMPLE
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Some solutions for 5X3
..1..0..5....4..5..1....4..0..5....4..5..1....3..5..1....1..2..5....3..2..5
..6..3..2....7..0..2....6..1..2....0..8..2....0..8..2....0..7..8....0..1..4
..7..8..4....3..6.11....3..8..7....3..6..7....9..4..7...10..3..4....9..8..7
.12.11.10...10.14..8...12.11.14...13.14.10...12..6.14...13..6.14...12..6.10
..9.14.13....9.12.13...13..9.10....9.12.11...13.10.11....9.12.11...13.14.11
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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