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A254850 Number of (n+2) X (4+2) 0..1 arrays with no 3 X 3 subblock diagonal sum one and no antidiagonal sum two. 1
4624, 6889, 13456, 37636, 99856, 271441, 729316, 1996569, 5466244, 15202201, 41550916, 113891584, 307932304, 843379681, 2298435364, 6356553984, 17355427600, 47726519296, 129502098496, 355212424009, 966505272100 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A254854.
LINKS
EXAMPLE
Some solutions for n=4
..0..0..1..1..0..0....1..1..0..0..1..0....1..0..1..1..0..1....0..0..0..1..0..0
..0..0..0..1..1..0....0..0..0..1..0..1....0..1..1..1..1..1....0..1..0..0..1..1
..0..0..0..0..1..1....0..0..1..1..1..0....1..1..0..1..1..0....0..0..1..0..0..0
..1..0..0..0..0..1....0..1..0..1..1..1....1..0..1..1..0..1....0..0..0..0..0..0
..1..0..0..0..0..0....1..0..1..0..1..1....0..1..1..1..1..1....0..0..0..0..1..0
..0..0..1..0..0..0....1..1..0..1..0..0....1..1..0..1..1..1....1..1..0..0..0..1
CROSSREFS
Cf. A254854.
Sequence in context: A116226 A115446 A358445 * A139410 A031566 A236815
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 08 2015
STATUS
approved

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Last modified July 17 18:28 EDT 2024. Contains 374377 sequences. (Running on oeis4.)