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A250832
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T(n,k)=Number of (n+1)X(k+1) 0..4 arrays with nondecreasing maximum of every two consecutive values in every row and column
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6
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625, 9025, 9025, 119025, 411451, 119025, 1301881, 16545428, 16545428, 1301881, 13249600, 516786049, 1966779166, 516786049, 13249600, 123432100, 14616585449, 170110220357, 170110220357, 14616585449, 123432100, 1093360356, 366421422539
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OFFSET
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1,1
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COMMENTS
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Table starts
......625........9025.........119025..........1301881............13249600
.....9025......411451.......16545428........516786049.........14616585449
...119025....16545428.....1966779166.....170110220357......12996183984600
..1301881...516786049...170110220357...38812715138278....7652280240209823
.13249600.14616585449.12996183984600.7652280240209823.3816897629309107901
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LINKS
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FORMULA
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Empirical for column k:
k=1: [linear recurrence of order 43]
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EXAMPLE
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Some solutions for n=1 k=4
..0..0..0..2..4....0..0..0..3..0....0..0..3..3..0....0..0..1..1..1
..3..1..4..4..0....0..1..1..2..3....2..4..4..4..1....0..4..4..2..4
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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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