A241116 - OEIS

%I #5 Aug 11 2014 22:46:11

%S 15,2614,587555,134229632,30679522712,7012241396116,1602748583683541,

%T 366331237082570675,83730272300093086129,19137757826895828304001,

%U 4374209764040662469308200,999788545392696494568265298

%N Number of nX4 0..3 arrays with no element equal to exactly three horizontal or vertical neighbors, with new values 0..3 introduced in row major order

%C Column 4 of A241119

%H R. H. Hardin, <a href="/A241116/b241116.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A241116/a241116.txt">Empirical recurrence of order 74</a>

%F Empirical recurrence of order 74 (see link above)

%e Some solutions for n=2

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 16 2014