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A239990 Number of 6Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4 1

%I

%S 10,84,935,9079,83658,652346,4803152,33097266,216706121,1349071998,

%T 8021288399,45621294425,248975151409,1305176292249,6573063784889,

%U 31800829162681,147862529519971,661287427073134,2848137371338660

%N Number of 6Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4

%C Row 6 of A239986

%H R. H. Hardin, <a href="/A239990/b239990.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A239990/a239990.txt">Empirical polynomial of degree 55</a>

%F Empirical polynomial of degree 55 (see link above)

%e Some solutions for n=3

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 30 2014

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Last modified May 25 00:03 EDT 2022. Contains 354047 sequences. (Running on oeis4.)