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A204211
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Number of length n+1 nonnegative integer arrays starting and ending with 0 with adjacent elements differing by no more than 6
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1
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1, 7, 49, 434, 4116, 41363, 431445, 4629851, 50775347, 566592411, 6412416619, 73428973184, 849204106870, 9904511238159, 116368090860251, 1375981128400665, 16362074062371685, 195540534817518299, 2347344805869798781
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OFFSET
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1,2
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=5
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..4....3....3....0....5....0....0....4....2....3....6....4....1....6....6....2
..9....1....6....5....1....1....4....5....5....6...12....1....0....2....0....2
..4....3...10....6....4....4....2....1....4....5...11....6....4....3....1....8
..5....1....5....5....1....1....5....0....1....5....6....1....1....5....0....5
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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