A303245 Number of 5Xn 0..1 arrays with every element equal to 0, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

16, 6, 181, 61, 1106, 1373, 11111, 38480, 221943, 1162591, 6612354, 37797923, 222063807, 1285446882, 7608314073, 44383042633, 261786226112, 1535739151907, 9031702593457, 53103496045060, 312053768598165, 1835371700840177

Offset

1,1

Comments

Row 5 of A303242.

Links

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

Example

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

Crossrefs

Cf. A303242.

Sequence in context: A302215 A057964 A302463 * A216160 A302371 A303087

Adjacent sequences: A303242 A303243 A303244 * A303246 A303247 A303248

Keyword

nonn

Author

R. H. Hardin, Apr 20 2018

Status

approved