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A239042 Number of nX3 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it, modulo 4 1

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

%S 16,218,2739,34344,432705,5444993,68414459,859450650,10797617215,

%T 135648111799,1704038993248,21406334238897,268908730806472,

%U 3378051755872444,42435273089271773,533074068671063881

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

%C Column 3 of A239047

%H R. H. Hardin, <a href="/A239042/b239042.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A239042/a239042.txt">Empirical recurrence of order 64</a>

%F Empirical recurrence of order 64 (see link above)

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 09 2014

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)