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A206109
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T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the number of clockwise edge increases in 2X2 subblocks nondecreasing, and anticlockwise edge increases nonincreasing, rightwards and downwards
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9
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256, 2292, 2292, 15564, 33688, 15564, 95408, 359932, 359932, 95408, 574364, 3991540, 8114696, 3991540, 574364, 3472540, 48804116, 210981300, 210981300, 48804116, 3472540, 21122008, 628383700, 5942161220, 12793359564, 5942161220
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OFFSET
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1,1
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COMMENTS
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Table starts
.......256.........2292...........15564..............95408
......2292........33688..........359932............3991540
.....15564.......359932.........8114696..........210981300
.....95408......3991540.......210981300........12793359564
....574364.....48804116......5942161220.......816173366244
...3472540....628383700....173412646632.....53034080059688
..21122008...8315311380...5144980591044...3471628061187072
.129099360.111777355164.153835526412512.227967307330878004
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..112
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EXAMPLE
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Some solutions for n=4 k=3
..3..1..1..2....1..1..1..0....1..1..0..3....1..1..1..0....0..1..2..0
..0..0..0..0....3..3..1..0....2..3..2..0....3..3..1..0....0..1..1..1
..1..3..3..1....2..3..1..0....1..2..0..1....2..3..1..0....0..0..0..2
..1..2..2..2....2..3..1..0....3..0..1..3....2..3..1..1....3..3..3..3
..1..2..0..3....2..3..1..0....0..2..3..0....2..3..3..2....0..3..1..0
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CROSSREFS
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Sequence in context: A206056 A207799 A207792 * A206102 A014713 A205642
Adjacent sequences: A206106 A206107 A206108 * A206110 A206111 A206112
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KEYWORD
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nonn,tabl
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AUTHOR
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R. H. Hardin Feb 03 2012
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STATUS
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approved
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