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A281769 Number of 5Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. 1
0, 38, 201, 1872, 12191, 85844, 589990, 3845590, 25703392, 166880128, 1080273873, 6965900750, 44487321221, 283503705456, 1797488483677, 11352536170284, 71500155029453, 448832589255878, 2810514285498993, 17557109431928644 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Row 5 of A281765.
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..0. .0..0..0..1. .0..1..1..1. .0..0..1..1. .0..0..1..1
..1..1..1..1. .1..1..1..1. .0..0..1..0. .0..0..1..1. .0..0..1..1
..1..1..1..1. .1..1..1..1. .0..0..0..1. .0..0..1..1. .0..0..1..1
..0..0..1..1. .0..0..1..1. .0..0..1..0. .1..1..0..1. .1..1..0..0
..0..0..1..1. .0..0..0..0. .1..1..0..1. .1..1..1..1. .1..0..0..0
CROSSREFS
Cf. A281765.
Sequence in context: A297541 A235079 A005910 * A191698 A124238 A020870
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 29 2017
STATUS
approved

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Last modified June 21 13:19 EDT 2024. Contains 373544 sequences. (Running on oeis4.)