%I #4 Mar 13 2023 13:31:30

%S 1,4,1573,235862938,37155328943771767,12458003910177278332403197817,

%T 15868284521418341362691384074620547198698934,

%U 126024243590219798408446284849897811759970155660106999854057796,9633603531065043175094488158875624821526224424118142906010095879389674957042528276201

%N Number of colorings of an n X n grid up to permutation of the colors with no element having the same color as any horizontal, diagonal or antidiagonal neighbor.

%Y Main diagonal of A208096.

%K nonn

%O 1,2

%A _Andrew Howroyd_, Mar 13 2023