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A222506 Number of nX5 0..1 arrays with exactly floor(nX5/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order 1
4, 10, 35, 423, 2066, 23678, 128889, 1529195, 8569032, 102004630, 577797690, 6918500106, 39468519264, 474774414486, 2721664132317, 32865146885501, 189103727308651, 2290577790555642, 13219410500639451, 160529083824632284 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A222509
LINKS
EXAMPLE
Some solutions for n=3
..0..1..0..0..0....0..0..0..1..1....0..0..1..1..1....0..0..1..1..1
..1..0..0..0..0....0..0..0..1..0....0..0..1..1..1....0..1..1..1..1
..0..0..0..0..0....0..0..0..1..1....1..0..1..1..1....1..1..1..1..1
CROSSREFS
Sequence in context: A344559 A318701 A152916 * A108596 A204270 A287220
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 23 2013
STATUS
approved

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Last modified March 28 08:22 EDT 2024. Contains 371236 sequences. (Running on oeis4.)