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A231467 Number of (4+1)X(n+1) 0..3 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with values 0..3 introduced in row major order 1

%I #4 Nov 09 2013 07:32:16

%S 12,20,272,1096,8426,57426,367803,2845485,20018093,150949412,

%T 1177693211,8931183872,71580272704,565415811806,4521022021693,

%U 36638382301846,294985330832346,2401765918095904,19540533876057217,159156617785973772

%N Number of (4+1)X(n+1) 0..3 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with values 0..3 introduced in row major order

%C Row 4 of A231463

%H R. H. Hardin, <a href="/A231467/b231467.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=7

%e ..0..0..1..1..1..1..2..2....0..0..0..0..0..1..1..2....0..1..1..1..1..0..0..0

%e ..0..0..0..1..1..2..2..2....0..0..0..0..1..1..2..1....0..0..1..1..0..1..1..1

%e ..0..0..0..2..2..2..2..2....0..0..0..1..1..2..1..2....0..0..0..0..0..0..1..1

%e ..0..0..2..2..2..2..3..3....0..0..1..1..2..2..2..1....0..0..0..0..0..1..1..1

%e ..0..0..0..2..2..3..3..3....0..0..1..1..2..2..1..1....0..0..0..0..0..1..1..1

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 09 2013

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Last modified March 29 06:15 EDT 2024. Contains 371265 sequences. (Running on oeis4.)