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A235430
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T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise
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5
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256, 3038, 3038, 33610, 112442, 33610, 344668, 3874844, 3874844, 344668, 3402366, 119751976, 439379938, 119751976, 3402366, 32542312, 3475660106, 44578500538, 44578500538, 3475660106, 32542312, 304784986, 95292647278, 4199042223300
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OFFSET
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1,1
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COMMENTS
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Table starts
........256..........3038...........33610...........344668..........3402366
.......3038........112442.........3874844........119751976.......3475660106
......33610.......3874844.......439379938......44578500538....4199042223300
.....344668.....119751976.....44578500538...15581843596522.5142104597554476
....3402366....3475660106...4199042223300.5142104597554476
...32542312...95292647278.363811777078888
..304784986.2512120106496
.2807381170
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LINKS
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FORMULA
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Empirical for column k:
k=1: [linear recurrence of order 12]
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EXAMPLE
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Some solutions for n=2 k=4
..0..0..1..3..3....0..0..1..0..0....0..0..1..2..0....0..0..1..1..3
..0..0..3..0..3....0..0..0..2..2....0..0..0..0..2....0..0..0..0..3
..0..0..3..0..3....0..0..2..3..0....0..1..1..3..1....0..0..2..1..0
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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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