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A240705 Number of nX7 0..3 arrays with no element equal to a different number of vertical neighbors than horizontal neighbors, with new values 0..3 introduced in row major order 1

%I

%S 122,72941,41780245,24015292771,13800783910238,7931008306049886,

%T 4557765530585124406,2619242847203461158436,1505218413737714273769484,

%U 865014295835177796865948611,497103758404197734334942441697

%N Number of nX7 0..3 arrays with no element equal to a different number of vertical neighbors than horizontal neighbors, with new values 0..3 introduced in row major order

%C Column 7 of A240706

%H R. H. Hardin, <a href="/A240705/b240705.txt">Table of n, a(n) for n = 1..19</a>

%e Some solutions for n=2

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 10 2014

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Last modified November 26 21:07 EST 2021. Contains 349344 sequences. (Running on oeis4.)