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A241430 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 or zero plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4 1

%I

%S 4,10,22,97,213,381,1005,1900,4137,10518,21092,47994,111034,227786,

%T 526558,1173266,2506934,5760387,12607288,27523425,62352333,135931174,

%U 300820619,674058895,1474383381,3279987103,7290574867,16018404203

%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 or zero plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4

%C Column 3 of A241435

%H R. H. Hardin, <a href="/A241430/b241430.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 22 2014

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Last modified January 26 16:14 EST 2023. Contains 359833 sequences. (Running on oeis4.)