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A269765 Number of nX6 0..5 arrays with some element plus some horizontally or vertically adjacent neighbor totalling five exactly once. 1

%I #4 Mar 04 2016 12:08:49

%S 18750,368958240,4022791852800,36821411380183680,

%T 309460647800786666280,2472167532788732096214720,

%U 19095466730438184387582710640,144001677387908129355684560596560,1066612311213048839948713538763169320

%N Number of nX6 0..5 arrays with some element plus some horizontally or vertically adjacent neighbor totalling five exactly once.

%C Column 6 of A269767.

%H R. H. Hardin, <a href="/A269765/b269765.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A269765/a269765.txt">Empirical recurrence of order 26</a>

%F Empirical recurrence of order 26 (see link above)

%e Some solutions for n=1

%e ..4..0..0..2..3..0. .4..0..1..4..2..4. .1..1..1..3..4..1. .3..5..4..4..0..5

%Y Cf. A269767.

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 04 2016

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Last modified September 16 06:47 EDT 2024. Contains 375959 sequences. (Running on oeis4.)