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A281031 Number of nX5 0..1 arrays with no element equal to more than three of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. 1

%I #4 Jan 13 2017 07:19:23

%S 0,58,2321,9854,44395,184290,722952,2696692,9734320,34378916,

%T 119479572,409793340,1390770988,4679313804,15630279254,51891762034,

%U 171376744116,563406924184,1844814347903,6019287405002,19577996105250,63498640476100

%N Number of nX5 0..1 arrays with no element equal to more than three of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

%C Column 5 of A281034.

%H R. H. Hardin, <a href="/A281031/b281031.txt">Table of n, a(n) for n = 1..250</a>

%H R. H. Hardin, <a href="/A281031/a281031.txt">Empirical recurrence of order 98</a>

%F Empirical recurrence of order 98 (see link above)

%e Some solutions for n=4

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

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

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

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

%Y Cf. A281034.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jan 13 2017

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Last modified August 10 05:29 EDT 2024. Contains 375044 sequences. (Running on oeis4.)