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A240648 Number of nX7 0..1 arrays with no element equal to the same number of vertical neighbors as horizontal neighbors, with new values 0..1 introduced in row major order 1
8, 21, 149, 526, 4343, 29481, 227270, 1748201, 14230080, 116070258, 970291863, 8167942037, 69515482202, 595126853497, 5123195518181, 44273991533826, 383829145390407, 3335510350046976, 29039638981754848, 253185283934243073 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A240649
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..1..0....0..0..0..0..0..1..0....0..1..0..1..0..1..0
..1..1..1..1..1..1..0....1..0..1..1..1..1..0....0..1..0..1..0..1..0
..0..0..1..0..0..1..0....1..0..0..0..1..1..0....1..1..1..1..0..1..0
..1..1..1..1..1..1..1....1..0..1..1..1..1..1....0..0..0..1..0..1..0
CROSSREFS
Sequence in context: A220580 A100903 A358720 * A231525 A228756 A228504
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 09 2014
STATUS
approved

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Last modified June 16 08:45 EDT 2024. Contains 373424 sequences. (Running on oeis4.)