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A302002 Number of 5Xn 0..1 arrays with every element equal to 1, 2 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero. 1
0, 34, 48, 200, 2856, 14016, 122232, 813704, 6066698, 43025282, 311301306, 2237774274, 16116010598, 116014746014, 835190383512, 6012793756932, 43286754359604, 311629669798802, 2243474218816140, 16151152920460132 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 5 of A301999.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A301999.

Sequence in context: A043930 A260277 A045256 * A260475 A107355 A260468

Adjacent sequences: A301999 A302000 A302001 * A302003 A302004 A302005

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 30 2018

STATUS

approved

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Last modified March 21 10:30 EDT 2023. Contains 361402 sequences. (Running on oeis4.)