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A270149 Number of nX6 0..7 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling seven exactly once. 1
96040, 7623445344, 256330155581328, 7232246139319438944, 187171034679828236009184, 4602680013721951976373349248, 109415349266339821204781196878928, 2539102809743114824610200456128170208 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A270150.
LINKS
EXAMPLE
Some solutions for n=1
..0..3..1..1..6..6. .2..4..2..7..0..6. .0..5..1..7..0..5. .4..7..4..5..6..1
CROSSREFS
Cf. A270150.
Sequence in context: A116228 A116253 A116265 * A270116 A031676 A205613
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 12 2016
STATUS
approved

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Last modified May 21 19:35 EDT 2024. Contains 372738 sequences. (Running on oeis4.)