A281885 Number of nX5 0..1 arrays with no element equal to more than four of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

0, 0, 4832, 112320, 2156646, 38763782, 663476572, 10998070526, 178432948526, 2848000336302, 44875126955866, 699810925996718, 10820974091403207, 166134120975159216, 2535255745164296210, 38487729589784841248

Offset

1,3

Comments

Column 5 of A281888.

Links

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

Example

Some solutions for n=4
..0..0..1..1..0. .0..1..0..0..0. .0..0..1..1..0. .0..0..1..0..0
..0..0..1..0..1. .1..0..1..0..1. .1..1..1..0..0. .1..0..0..1..0
..0..1..0..0..1. .0..0..1..1..0. .0..1..0..0..1. .0..1..1..0..0
..1..1..1..0..0. .0..0..0..1..0. .1..1..1..1..0. .0..1..1..0..0

Crossrefs

Cf. A281888.

Sequence in context: A372259 A299206 A153408 * A183589 A185990 A215949

Adjacent sequences: A281882 A281883 A281884 * A281886 A281887 A281888

Keyword

nonn

Author

R. H. Hardin, Feb 01 2017

Status

approved