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A251291 Number of (n+1)X(7+1) 0..1 arrays with every 2X2 subblock having a single 1 or two 1s on the same edge or main diagonally 1
1691, 21966, 202882, 2645966, 25654154, 322933003, 3232216177, 39571705178, 405845538185, 4863503527792, 50827817852319, 599113339096458, 6352973392705472, 73931887999623433, 792828826324721512 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A251292

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A065903 A204488 A062680 * A120564 A237533 A089674

Adjacent sequences:  A251288 A251289 A251290 * A251292 A251293 A251294

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 01 2014

STATUS

approved

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Last modified May 19 08:25 EDT 2019. Contains 323389 sequences. (Running on oeis4.)