A302813 Number of 7Xn 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

64, 8192, 218640, 7267160, 232260380, 7428713676, 238687785290, 7656052278093, 245617324998434, 7880802121694786, 252845509516657378, 8112313563916385380, 260276854454728693116, 8350749999160907426626, 267926476583534501527483

Offset

1,1

Comments

Row 7 of A302808.

Links

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

Example

Some solutions for n=5
..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0
..0..0..1..1..0. .0..0..1..1..0. .0..0..1..1..0. .0..0..1..1..0
..1..0..1..0..0. .1..0..1..0..0. .1..0..1..0..0. .1..0..1..0..0
..1..0..1..0..1. .1..1..1..1..0. .1..1..1..0..1. .0..0..1..1..1
..1..0..1..0..0. .1..0..0..1..1. .1..0..0..1..0. .1..1..0..0..0
..1..1..0..1..1. .0..0..0..1..1. .0..0..1..1..0. .1..0..0..1..1
..0..0..0..1..0. .1..0..1..1..0. .1..1..1..0..0. .1..1..0..0..1

Crossrefs

Cf. A302808.

Sequence in context: A302970 A291832 A302074 * A303474 A305522 A208714

Adjacent sequences: A302810 A302811 A302812 * A302814 A302815 A302816

Keyword

nonn

Author

R. H. Hardin, Apr 13 2018

Status

approved