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A300943 Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
21, 11, 101, 530, 2975, 16587, 99717, 628078, 4085574, 26803581, 176672818, 1167853353, 7727739359, 51133275030, 338411771448, 2240013488296, 14827127102453, 98143499126149, 649628272106039, 4299947674444031 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A300944.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A300944.

Sequence in context: A300505 A086981 A114011 * A270790 A300887 A301497

Adjacent sequences:  A300940 A300941 A300942 * A300944 A300945 A300946

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 16 2018

STATUS

approved

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Last modified September 18 18:23 EDT 2019. Contains 327178 sequences. (Running on oeis4.)