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A280360 Number of nX5 0..2 arrays with no element equal to more than one of its horizontal and vertical neighbors and with new values introduced in order 0 sequentially upwards. 1

%I #4 Jan 01 2017 08:56:16

%S 30,1617,78800,3992071,201054068,10144351660,511688896140,

%T 25812250379197,1302084964081326,65683250595897258,

%U 3313367690989159234,167141663155726686922,8431401872254944607810,425319079112261667548370

%N Number of nX5 0..2 arrays with no element equal to more than one of its horizontal and vertical neighbors and with new values introduced in order 0 sequentially upwards.

%C Column 5 of A280362.

%H R. H. Hardin, <a href="/A280360/b280360.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

%e ..0..1..0..1..2. .0..1..2..0..0. .0..1..2..1..0. .0..1..2..0..1

%e ..0..2..2..0..1. .2..0..1..2..1. .2..0..1..2..1. .2..0..1..2..0

%e ..1..1..0..2..2. .1..0..2..0..0. .1..1..2..0..0. .1..2..1..0..1

%Y Cf. A280362.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 01 2017

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Last modified June 11 01:37 EDT 2024. Contains 373283 sequences. (Running on oeis4.)