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A270513
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Number of 5X5X5 triangular 0..n arrays with some element plus some adjacent element totalling n+1 exactly once.
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1
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1149, 369072, 34889103, 1489277664, 32485734273, 448630205184, 4293998004723, 30804535353600, 177863468258565, 847631761246800, 3513899168535639, 12731640696610272, 41920406552431113, 125031636388348704
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OFFSET
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1,1
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COMMENTS
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Row 5 of A270509.
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..25
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EXAMPLE
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Some solutions for n=1
......1..........0..........0..........1..........0..........0..........0
.....0.0........0.0........0.1........1.0........1.0........0.0........0.1
....0.0.0......1.0.0......1.0.0......0.0.0......0.0.0......1.0.0......0.0.0
...0.1.0.0....0.0.0.0....0.0.0.1....0.0.1.0....0.1.0.0....1.0.0.1....1.0.0.0
..0.1.0.1.0..1.0.0.1.1..0.0.0.1.0..1.0.0.0.0..0.0.1.0.1..0.0.0.0.0..0.0.0.1.1
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CROSSREFS
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Cf. A270509.
Sequence in context: A274297 A074255 A234684 * A233944 A329520 A054999
Adjacent sequences: A270510 A270511 A270512 * A270514 A270515 A270516
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin, Mar 18 2016
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STATUS
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approved
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