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A274727 Number of nX7 0..2 arrays with no element equal to any value at offset (-1,-2) (-2,-1) or (-1,0) and new values introduced in order 0..2. 1

%I #4 Jul 03 2016 20:17:21

%S 365,6144,25268,421904,7016284,116633012,1980677448,33415073716,

%T 564905405336,9541460598408,161295215603556,2725041270964876,

%U 46055189349633552,778212220006487596,13151212573069796840

%N Number of nX7 0..2 arrays with no element equal to any value at offset (-1,-2) (-2,-1) or (-1,0) and new values introduced in order 0..2.

%C Column 7 of A274728.

%H R. H. Hardin, <a href="/A274727/b274727.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A274727/a274727.txt">Empirical recurrence of order 59</a>

%F Empirical recurrence of order 59 (see link above)

%e Some solutions for n=3

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

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

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

%Y Cf. A274728.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 03 2016

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)