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A186607 Number of (n+4)X11 binary arrays with every 5X5 subblock commuting with each horizontal and vertical neighbor 5X5 subblock 1
707955, 38625, 61336, 98376, 132040, 176696, 191232, 193000, 195032, 198284, 206372, 229900, 274644, 326864, 405664, 549188, 715968, 905732, 1152093, 1428286, 1777291, 2173080, 2636597, 3208931, 3889897, 4787199, 5898065, 7266423, 8989959 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A186609
LINKS
FORMULA
Empirical: a(n)=a(n-1)+a(n-3)-a(n-4)+a(n-5)-a(n-6)-a(n-8)+a(n-9)+a(n-10)-a(n-13) for n>21
EXAMPLE
Some solutions for 6X11
..1..0..0..0..0..0..0..0..0..1..0....0..0..0..0..0..0..0..0..0..1..0
..0..0..0..0..0..0..0..0..0..1..1....0..0..0..0..0..0..0..0..0..0..0
..0..0..0..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0..0..1..1
..0..0..0..0..0..0..0..0..0..0..0....1..1..0..0..0..0..0..0..0..0..0
..0..0..0..0..0..0..0..0..0..0..0....1..1..0..0..0..0..0..0..0..0..0
..0..0..1..1..0..0..0..0..0..0..0....1..0..0..0..0..0..0..0..0..0..0
CROSSREFS
Sequence in context: A234701 A140943 A134615 * A249195 A236277 A251378
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 24 2011
STATUS
approved

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Last modified July 20 20:50 EDT 2024. Contains 374459 sequences. (Running on oeis4.)