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A186834 Number of (n+2)X5 binary arrays with 3X3 subblock sums nondecreasing rightwards and downwards. 1
14112, 147428, 1537476, 15478835, 111211414, 798816802, 5699887192, 32614678623, 186554693948, 1065318863852, 5237351544896, 25736501670853, 126375975163794, 558574172464123, 2467874141143136, 10897815394363554 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A186840
LINKS
EXAMPLE
Some solutions for 4X5
..0..1..0..0..1....0..1..1..0..1....0..0..0..1..0....0..0..0..1..1
..0..1..0..1..1....1..0..1..0..0....0..1..1..0..1....1..0..1..1..0
..1..0..1..0..1....0..1..1..1..1....0..0..0..0..0....0..1..0..1..1
..1..0..1..1..1....1..0..1..1..0....0..1..1..0..1....0..0..1..1..1
CROSSREFS
Sequence in context: A066698 A035918 A157786 * A263911 A215019 A206845
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 27 2011
STATUS
approved

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Last modified June 19 00:22 EDT 2024. Contains 373492 sequences. (Running on oeis4.)