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 A248443 Number of length n+5 0..3 arrays with no three disjoint pairs in any consecutive six terms having the same sum. 1

%I #6 Apr 11 2022 18:20:40

%S 3372,11436,39072,133872,459276,1576148,5407584,18555016,63680912,

%T 218584848,750346316,2575822244,8842376738,30354462070,104202513840,

%U 357714016466,1227990754114,4215556651472,14471543850286,49679225175954

%N Number of length n+5 0..3 arrays with no three disjoint pairs in any consecutive six terms having the same sum.

%C Column 3 of A248448.

%H R. H. Hardin, <a href="/A248443/b248443.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

%e ..3....2....2....2....3....3....1....3....2....1....1....2....3....2....2....3

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

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

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

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

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

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

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

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

%Y Cf. A248448.

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 06 2014

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Last modified November 28 17:00 EST 2023. Contains 367419 sequences. (Running on oeis4.)