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A249462 Number of length n+4 0..4 arrays with no five consecutive terms having four times any element equal to the sum of the remaining four. 1

%I #6 Jan 27 2022 22:36:28

%S 2640,11260,48180,206428,884728,3791504,16249428,69646680,298527530,

%T 1279613894,5484967770,23510991158,100778855292,431985293958,

%U 1851693204500,7937234390598,34022755120144,145837709303458

%N Number of length n+4 0..4 arrays with no five consecutive terms having four times any element equal to the sum of the remaining four.

%C Column 4 of A249466.

%H R. H. Hardin, <a href="/A249462/b249462.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

%e ..3....0....4....0....1....4....1....0....3....1....4....3....4....4....4....0

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

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

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

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

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

%Y Cf. A249466.

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 29 2014

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Last modified July 28 20:51 EDT 2024. Contains 374726 sequences. (Running on oeis4.)