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A184473 1/6 the number of (n+2)X7 0..2 arrays with each 3X3 subblock containing one of one value, four of another, and four of the last 1
45585, 62213, 86575, 127689, 247879, 520289, 1219455, 3727073, 11454631, 35847321, 132023695, 462435665, 1581583095, 6139850633, 22407327775, 78976349889, 312058001959, 1156657902329, 4125792115215, 16415153428433 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A184477

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..28

EXAMPLE

Some solutions with a(1,1)=0 for 4X7

..0..2..0..0..1..0..0....0..0..0..0..1..1..1....0..2..1..0..0..1..0

..0..1..0..0..2..1..0....0..1..1..0..0..2..0....0..1..0..1..2..1..1

..1..1..1..1..1..0..1....1..1..2..1..1..0..0....1..0..1..0..1..0..0

..0..2..0..0..1..0..0....0..0..0..0..1..1..1....0..2..1..0..0..1..0

CROSSREFS

Sequence in context: A287250 A253045 A251397 * A157653 A202915 A257358

Adjacent sequences: A184470 A184471 A184472 * A184474 A184475 A184476

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 15 2011

STATUS

approved

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Last modified November 28 20:13 EST 2022. Contains 358421 sequences. (Running on oeis4.)