A300962 Number of n X 4 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, 16, 44, 327, 1653, 10135, 60730, 366981, 2221003, 13463050, 81660443, 495408923, 3006220227, 18242218796, 110703174526, 671804474036, 4076912884571, 24741148460838, 150144557785977, 911169851527587, 5529544369303067

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 * A359704 A051868 A209993

Adjacent sequences: A300959 A300960 A300961 * A300963 A300964 A300965

Keyword

nonn

Author

R. H. Hardin, Mar 17 2018

Status

approved