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A300962 Number of nX4 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
1, 16, 44, 327, 1653, 10135, 60730, 366981, 2221003, 13463050, 81660443, 495408923, 3006220227, 18242218796, 110703174526, 671804474036, 4076912884571, 24741148460838, 150144557785977, 911169851527587, 5529544369303067 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 4 of A300966.

LINKS

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

R. H. Hardin, Empirical recurrence of order 75

FORMULA

Empirical recurrence of order 75 (see link above)

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A300966.

Sequence in context: A204032 A192143 A221593 * A051868 A209993 A322343

Adjacent sequences:  A300959 A300960 A300961 * A300963 A300964 A300965

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 17 2018

STATUS

approved

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Last modified November 14 04:47 EST 2019. Contains 329108 sequences. (Running on oeis4.)