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A300495 Number of nX5 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
16, 138, 412, 1513, 5837, 19412, 66166, 233796, 816547, 2856851, 10105271, 35807047, 126898449, 450853006, 1604410583, 5713873343, 20369525696, 72682756405, 259511936921, 927071784687, 3313405502805, 11846749266125 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A300498.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A300498.

Sequence in context: A114182 A280601 A301320 * A300934 A300878 A301488

Adjacent sequences:  A300492 A300493 A300494 * A300496 A300497 A300498

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 07 2018

STATUS

approved

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Last modified October 27 22:56 EDT 2020. Contains 338044 sequences. (Running on oeis4.)