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A253042 Number of (n+2)X(6+2) 0..3 arrays with every consecutive three elements in every row, column, diagonal and antidiagonal having exactly two distinct values, and new values 0 upwards introduced in row major order 1

%I

%S 22304,8340,12641,24232,53312,115438,262728,567781,1244649,2698327,

%T 6151232,13388434,29495278,64808231,144441535,317896175,705544550,

%U 1545061244,3414818954,7610405399,16762954363,36864641439,81481794108

%N Number of (n+2)X(6+2) 0..3 arrays with every consecutive three elements in every row, column, diagonal and antidiagonal having exactly two distinct values, and new values 0 upwards introduced in row major order

%C Column 6 of A253044

%H R. H. Hardin, <a href="/A253042/b253042.txt">Table of n, a(n) for n = 1..137</a>

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 26 2014

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Last modified January 23 22:46 EST 2022. Contains 350515 sequences. (Running on oeis4.)