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A185798
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T(n,k)=Number of (n+1)X(k+1) binary arrays with no 2X2 subblock sum equal to any horizontal or vertical neighbor 2X2 subblock sum
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10
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16, 40, 40, 100, 96, 100, 260, 224, 224, 260, 676, 576, 510, 576, 676, 1716, 1408, 1336, 1336, 1408, 1716, 4356, 3456, 3196, 3756, 3196, 3456, 4356, 11220, 8320, 7888, 9368, 9368, 7888, 8320, 11220, 28900, 20864, 18616, 24392, 23064, 24392, 18616, 20864
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OFFSET
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1,1
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COMMENTS
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Table starts
....16.....40....100.....260.....676.....1716.....4356.....11220.....28900
....40.....96....224.....576....1408.....3456.....8320.....20864.....50816
...100....224....510....1336....3196.....7888....18616.....47776....114688
...260....576...1336....3756....9368....24392....59944....164576....411300
...676...1408...3196....9368...23064....61676...149828....433296...1073036
..1716...3456...7888...24392...61676...175588...441004...1379208...3532152
..4356...8320..18616...59944..149828...441004..1091308...3629540...9151956
.11220..20864..47776..164576..433296..1379208..3629540..13289252..35756268
.28900..50816.114688..411300.1073036..3532152..9151956..35756268..94533508
.73780.125312.287552.1098776.3000848.10752096.29663392.128976744.365151860
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..264
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EXAMPLE
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Some solutions for 4X3
..1..1..1....1..1..0....1..1..0....1..1..1....0..1..1....0..1..1....1..0..0
..1..0..0....1..1..0....1..0..0....0..1..1....1..0..1....0..0..0....1..0..1
..0..0..0....1..0..0....1..0..0....1..0..1....1..1..0....1..1..0....0..0..1
..0..0..1....0..0..0....1..1..1....1..1..0....0..0..0....1..1..1....1..1..1
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CROSSREFS
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Sequence in context: A144448 A070584 A205072 * A185769 A205255 A176869
Adjacent sequences: A185795 A185796 A185797 * A185799 A185800 A185801
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KEYWORD
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nonn,tabl
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AUTHOR
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R. H. Hardin Feb 04 2011
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STATUS
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approved
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