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A207693
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T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 1 1 vertically
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11
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2, 4, 4, 6, 16, 6, 9, 36, 36, 9, 15, 81, 60, 81, 13, 25, 225, 100, 144, 169, 18, 40, 625, 240, 256, 312, 324, 25, 64, 1600, 576, 768, 576, 612, 625, 34, 104, 4096, 1296, 2304, 1872, 1156, 1250, 1156, 46, 169, 10816, 2916, 5856, 6084, 4216, 2500, 2516, 2116, 62, 273
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OFFSET
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1,1
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COMMENTS
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Table starts
..2....4....6....9....15.....25.....40......64.....104......169.......273
..4...16...36...81...225....625...1600....4096...10816....28561.....74529
..6...36...60..100...240....576...1296....2916....6804....15876.....36288
..9...81..144..256...768...2304...5856...14884...42700...122500....320600
.13..169..312..576..1872...6084..18564...56644..177548...556516...1724752
.18..324..612.1156..4216..15376..50096..163216..578528..2050624...6804864
.25..625.1250.2500.10000..40000.145200..527076.2056032..8020224..29854944
.34.1156.2516.5476.24420.108900.453420.1887876.8263236.36168196.155101060
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LINKS
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EXAMPLE
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Some solutions for n=4 k=3
..1..1..1....1..0..0....1..0..1....1..1..0....0..1..1....0..1..1....1..1..1
..1..1..0....0..0..1....0..1..1....0..0..1....1..0..1....1..1..0....0..0..1
..0..0..1....1..0..1....1..1..0....1..0..1....1..1..0....1..0..1....1..1..0
..1..0..1....1..0..0....1..0..0....1..0..0....0..0..1....0..1..1....0..1..1
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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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