# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a231638 Showing 1-1 of 1 %I A231638 #6 Dec 28 2023 23:18:09 %S A231638 8,124,5110,193596,7176194,266730604,9902703284,367678630271, %T A231638 13651615789060,506869469707295,18819548834677196,698750427030584024, %U A231638 25943883731772910738,963269692028936919099,35765211805260137301887 %N A231638 Number of n X 4 0..2 arrays with no element having a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors equal to itself plus one mod 3, with upper left element zero (rock paper and scissors drawn positions). %C A231638 Column 4 of A231641. %H A231638 R. H. Hardin, Table of n, a(n) for n = 1..210 %e A231638 Some solutions for n=4 %e A231638 ..0..0..0..1....0..0..1..1....0..0..1..1....0..0..0..2....0..1..0..1 %e A231638 ..2..2..0..0....1..0..0..0....0..2..1..1....1..0..2..1....0..0..0..2 %e A231638 ..2..2..1..0....1..1..2..0....1..1..0..1....2..1..1..1....0..0..1..2 %e A231638 ..0..2..0..0....2..1..1..2....1..2..2..0....1..1..1..1....1..0..0..1 %Y A231638 Cf. A231641. %K A231638 nonn %O A231638 1,1 %A A231638 _R. H. Hardin_, Nov 12 2013 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE