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A240419 Number of nX3 0..3 arrays with no element equal to two plus the sum of elements to its left or two plus the sum of elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4 1

%I #5 Aug 11 2014 22:46:11

%S 15,147,1161,7857,52711,347155,2331517,15537761,105095051,706172043,

%T 4789433693,32306879359,219223146831,1481437420511,10050347301199,

%U 67979587581455,461025317180399,3119972760414097,21152593723563417

%N Number of nX3 0..3 arrays with no element equal to two plus the sum of elements to its left or two plus the sum of elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4

%C Column 3 of A240422

%H R. H. Hardin, <a href="/A240419/b240419.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A240419/a240419.txt">Empirical recurrence of order 96</a>

%F Empirical recurrence of order 96 (see link above)

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 04 2014

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Last modified March 29 05:28 EDT 2024. Contains 371264 sequences. (Running on oeis4.)