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A202457 Number of (n+2)X6 binary arrays with consecutive windows of three bits considered as a binary number nondecreasing in every row and column 1
1331, 2835, 5735, 10918, 19614, 33468, 54618, 85779, 130333, 192425, 277065, 390236, 539008, 731658, 977796, 1288497, 1676439, 2156047, 2743643, 3457602, 4318514, 5349352, 6575646, 8025663, 9730593, 11724741, 14045725, 16734680 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A202461

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

FORMULA

Empirical: a(n) = (1/120)*n^6 + (17/40)*n^5 + (27/4)*n^4 + (1195/24)*n^3 + (22769/120)*n^2 + (28277/60)*n + 613

EXAMPLE

Some solutions for 7X7

..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..1..0..0

..0..0..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..0..0..1..1....0..0..0..0..1..0....0..0..0..1..0..0

..0..0..0..0..0..0....0..0..0..0..1..1....0..0..0..0..1..0....0..0..0..1..1..0

..0..0..0..1..0..1....0..0..0..0..1..1....0..0..0..1..1..0....0..0..0..1..1..1

..0..0..0..0..1..0....0..0..0..0..1..1....0..0..0..1..1..0....0..0..0..1..1..1

..0..0..1..1..1..1....0..1..1..1..1..1....0..0..0..0..1..0....0..0..1..1..1..1

CROSSREFS

Sequence in context: A182371 A252258 A038677 * A252347 A030100 A017283

Adjacent sequences:  A202454 A202455 A202456 * A202458 A202459 A202460

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 19 2011

STATUS

approved

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Last modified December 11 16:06 EST 2017. Contains 295905 sequences.