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A231705 Number of (n+1)X(3+1) 0..1 arrays with no element having a strict majority of its horizontal, vertical and antidiagonal neighbors equal to one 1

%I #5 Aug 11 2014 22:45:55

%S 42,387,2840,23584,197605,1601683,13087828,107398293,878894477,

%T 7193285719,58898156726,482180316552,3947375486172,32316205361007,

%U 264563453161915,2165898853276949,17731567206469017,145163047328289678

%N Number of (n+1)X(3+1) 0..1 arrays with no element having a strict majority of its horizontal, vertical and antidiagonal neighbors equal to one

%C Column 3 of A231710

%H R. H. Hardin, <a href="/A231705/b231705.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A231705/a231705.txt">Empirical recurrence of order 77</a>

%F Empirical recurrence of order 77 (see link above)

%e Some solutions for n=5

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 12 2013

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Last modified August 18 08:16 EDT 2024. Contains 375255 sequences. (Running on oeis4.)