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A296632 Number of nX5 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 0, 2 or 4 neighboring 1s. 1

%I #4 Dec 17 2017 13:15:14

%S 13,116,966,8042,67488,565149,4733229,39643699,332039800,2781020167,

%T 23292631589,195089090524,1633982501009,13685536174581,

%U 114624177899429,960042923203637,8040907522705536,67347190658614033,564071166944280481

%N Number of nX5 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 0, 2 or 4 neighboring 1s.

%C Column 5 of A296635.

%H R. H. Hardin, <a href="/A296632/b296632.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

%Y Cf. A296635.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 17 2017

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Last modified April 19 15:34 EDT 2024. Contains 371794 sequences. (Running on oeis4.)