The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #4 Mar 13 2023 13:31:25
%S 1,5,2906,656404264,148049849095504726,67939294184937980415465539016,
%T 114130286115375064054502412158789812265958284,
%U 1159829070306179232444894822978404171908276758235252386883985596,110658909677185498376669680234621983460781735371211477687464832774947897935655888426146
%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 or antidiagonal neighbor.
%Y Main diagonal of A208301.
%K nonn
%O 1,2
%A _Andrew Howroyd_, Mar 13 2023