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A183853 Number of (n+1)X9 0..3 arrays with each element of every 2X2 subblock being the sum mod 4 of two others 1
92771, 2568541, 65461226, 2373353909, 84948077733, 3637653147102, 154188934678551, 6963325147796767, 312016957670582226, 14275770710942816651, 650555611278894371929, 29856567303793299342810 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 8 of A183854
LINKS
EXAMPLE
Some solutions for 3X9
..0..0..2..0..2..0..2..2..0....0..0..0..0..0..2..0..2..0
..2..2..0..2..0..2..0..2..0....2..2..2..2..2..2..2..2..0
..2..0..2..2..2..2..2..2..0....0..2..0..0..0..2..0..0..2
CROSSREFS
Sequence in context: A251069 A184560 A225890 * A331361 A128277 A237682
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 07 2011
STATUS
approved

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Last modified June 17 21:09 EDT 2024. Contains 373464 sequences. (Running on oeis4.)