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A297805 Number of 5Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 5 neighboring 1s. 1

%I #4 Jan 06 2018 09:35:00

%S 1,14,533,2936,23781,320168,4340367,46828204,531988739,6428177030,

%T 77067241642,902041302792,10619747871090,125974447710657,

%U 1491769553672883,17617404647236968,208221597373256228

%N Number of 5Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 5 neighboring 1s.

%C Row 5 of A297802.

%H R. H. Hardin, <a href="/A297805/b297805.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A297802.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jan 06 2018

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Last modified April 19 08:45 EDT 2024. Contains 371782 sequences. (Running on oeis4.)