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A240299 Number of 5Xn 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 two plus the sum of the elements diagonally to its northwest, modulo 4 1

%I #4 Apr 03 2014 16:09:10

%S 8,230,8064,200864,5967512,144185218,4068505132,97481759978,

%T 2693002510594,64566565844840,1763048699571244,42422779358189260,

%U 1149342184798610488,27779653210714697042,748070045881044292784

%N Number of 5Xn 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 two plus the sum of the elements diagonally to its northwest, modulo 4

%C Row 5 of A240295

%H R. H. Hardin, <a href="/A240299/b240299.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 03 2014

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Last modified April 16 01:40 EDT 2024. Contains 371696 sequences. (Running on oeis4.)