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A297378 Number of 5Xn 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 0, 1 or 2 neighboring 1s. 1

%I #4 Dec 29 2017 07:44:45

%S 32,1024,18805,418344,9554038,211988289,4729833008,105725571407,

%T 2361080672512,52730481660799,1177723977872649,26303765809635352,

%U 587477573175558513,13120952265924292911,293048421339427531303

%N Number of 5Xn 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 0, 1 or 2 neighboring 1s.

%C Row 5 of A297374.

%H R. H. Hardin, <a href="/A297378/b297378.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A297378/a297378.txt">Empirical recurrence of order 84</a>

%F Empirical recurrence of order 84 (see link above)

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A297374.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 29 2017

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Last modified April 23 10:29 EDT 2024. Contains 371905 sequences. (Running on oeis4.)