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A241363 Number of n X n 0..2 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..2 introduced in row major order. 0

%I #7 Mar 15 2023 14:19:28

%S 1,7,460,169982,332185927,3437694358689,188148208461270141,

%T 54467029568686929640819

%N Number of n X n 0..2 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..2 introduced in row major order.

%C Diagonal of A241370.

%e Some solutions for n=4

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

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

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

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

%Y Cf. A241370.

%K nonn

%O 1,2

%A _R. H. Hardin_, Apr 20 2014

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Last modified February 25 00:32 EST 2024. Contains 370308 sequences. (Running on oeis4.)