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A285148 Number of n X 4 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1. 1
2, 58, 820, 11574, 166624, 2446130, 36367674, 545774302, 8250020936, 125432428398, 1916089561276, 29385041758324, 452142438975318, 6976767708453156, 107918789132352190, 1672896226875572812 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A285152.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A285152.

Sequence in context: A121931 A343578 A156507 * A115610 A341082 A191798

Adjacent sequences:  A285145 A285146 A285147 * A285149 A285150 A285151

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 12 2017

STATUS

approved

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Last modified January 26 23:54 EST 2022. Contains 350601 sequences. (Running on oeis4.)