%I #6 May 08 2022 23:06:42

%S 203,1788850,193010377345,96847533172181917,151244023549144862428002,

%T 584640904301741699504623887947,4816230734184037369523912393674851309,

%U 76044892493064011078851904329265333088930722

%N Number of n X 6 nonnegative integer arrays with new values 0 upwards introduced in row major order and no element equal to any antidiagonal neighbor (colorings ignoring permutations of colors).

%C Column 6 of A208788.

%e Some solutions for n=4

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

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

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

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

%Y Cf. A208788.

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 01 2012