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A240270 Number of nX6 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4 1

%I #4 Apr 03 2014 09:42:22

%S 132,3263,64721,2059061,40760821,1063706501,27923918285,576407548906,

%T 15326042676144,369518944004863,8336460134026971,218307022801923486,

%U 5056252479593806048,120075470956639787034,3035930439648129383298

%N Number of nX6 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4

%C Column 6 of A240271

%H R. H. Hardin, <a href="/A240270/b240270.txt">Table of n, a(n) for n = 1..18</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 03 2014

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Last modified March 29 03:51 EDT 2024. Contains 371264 sequences. (Running on oeis4.)