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A186912 Number of (n+2)X8 0..6 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order 1
4028133387613, 921058887545363, 110909004238159456, 8880688768983407407, 522748636954347087650, 23991605690718487651365, 893383694291331850798966, 27790825962428614280888055, 738601710673817085331465603 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A186915
LINKS
EXAMPLE
Some solutions for 4X8
..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..5....0..0..0..0..0..0..0..5
..0..0..0..0..0..0..0..3....0..0..0..0..0..0..2..4....0..0..0..0..0..0..1..3
..0..0..0..0..0..0..2..4....0..0..0..0..0..0..6..2....0..0..0..0..0..0..3..6
..0..0..0..0..0..0..4..4....0..0..0..0..0..0..6..5....0..0..0..0..0..0..4..0
CROSSREFS
Sequence in context: A222558 A290504 A172630 * A288284 A233504 A013640
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 28 2011
STATUS
approved

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Last modified February 25 07:35 EST 2024. Contains 370310 sequences. (Running on oeis4.)