%I #4 Mar 31 2012 12:37:24

%S 877,76282138,122941305336223,1203020866861467699281,

%T 44686267945588240647176350202,4816230734184037369523912393674851309

%N Number of nX7 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 7 of A208788

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 01 2012