A231522 - OEIS

%I #6 Jun 07 2023 20:10:09

%S 37,3381,144847,6935963,322599407,14940780666,697702378939,

%T 32529760276112,1514885617016157,70592106166184098,

%U 3289771313716069793,153290011597603312050,7142830857947956340314,332840754623625070614641

%N Number of n X 7 0..1 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors.

%C Column 7 of A231523.

%H R. H. Hardin, <a href="/A231522/b231522.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

%Y Cf. A231523.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 10 2013