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A239648 Number of nX7 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of elements above it, modulo 4 1

%I #4 Mar 23 2014 07:02:24

%S 128,38888,13703468,4304123072,1393740949524,449878848794094,

%T 144633234041629586,46605631116410605602,15009686604114403319918,

%U 4833298966552939324386658,1556693436923279970529451138

%N Number of nX7 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of elements above it, modulo 4

%C Column 7 of A239649

%H R. H. Hardin, <a href="/A239648/b239648.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 23 2014

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Last modified March 28 04:13 EDT 2024. Contains 371235 sequences. (Running on oeis4.)