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A297956 Number of nX5 0..1 arrays with every element equal to 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero. 1
3, 23, 47, 233, 681, 2596, 11623, 39801, 149442, 616286, 2335635, 8904387, 34861648, 135228611, 521631430, 2019356359, 7839971399, 30360460809, 117476386060, 455396350820, 1764702754346, 6833651832659, 26474646322752, 102580295118751 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A297959.

LINKS

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

EXAMPLE

Some solutions for n=7

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

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

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

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

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

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

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

CROSSREFS

Cf. A297959.

Sequence in context: A060651 A146592 A107169 * A298772 A298579 A299571

Adjacent sequences: A297953 A297954 A297955 * A297957 A297958 A297959

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 09 2018

STATUS

approved

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Last modified February 3 08:31 EST 2023. Contains 360034 sequences. (Running on oeis4.)