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A240700 Number of n X n 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 0

%I

%S 1,5,461,332412,1382959986,33101173163229,4557765530585124406,

%T 3610256703332068651606556

%N Number of n X n 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 Diagonal of A240706

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,2

%A _R. H. Hardin_, Apr 10 2014

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Last modified September 23 04:01 EDT 2021. Contains 347609 sequences. (Running on oeis4.)