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A183789 Half the number of (n+1)X7 0..2 arrays with no 2X2 subblock having sum 4 1
503676, 253372446, 124516635830, 61615880574766, 30424632455651757, 15033760617564577257, 7426828822889981226524, 3669246745844998053514738, 1812745552132801952938026578, 895574493615900816704817147361 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A183792

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..84

EXAMPLE

Some solutions for 3X7

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

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

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

CROSSREFS

Sequence in context: A157759 A227110 A187313 * A203548 A195525 A124945

Adjacent sequences:  A183786 A183787 A183788 * A183790 A183791 A183792

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 07 2011

STATUS

approved

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Last modified November 29 21:32 EST 2021. Contains 349416 sequences. (Running on oeis4.)