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 A251217 Number of (n+1)X(6+1) 0..1 arrays with no 2X2 subblock having zero or two 1s 1

%I #4 Nov 30 2014 20:20:44

%S 631,5569,50912,502971,4907873,48781920,482274751,4791965557,

%T 47523048960,471984045011,4684560331885,46516009269268,

%U 461786651683295,4585017470092103,45520667522670878,451955910904080413

%N Number of (n+1)X(6+1) 0..1 arrays with no 2X2 subblock having zero or two 1s

%C Column 6 of A251219

%H R. H. Hardin, <a href="/A251217/b251217.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A251217/a251217.txt">Empirical recurrence of order 62</a>

%F Empirical recurrence of order 62 (see link above)

%e Some solutions for n=3

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 30 2014

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Last modified June 4 02:25 EDT 2023. Contains 363118 sequences. (Running on oeis4.)