

A232916


Number of n X n 0..2 arrays with no element x(i,j) adjacent to value 2x(i,j) horizontally, diagonally or antidiagonally


1



3, 18, 246, 5808, 316800, 33994188, 8119777890, 3947661560964, 4209693243140760, 9272914213858594488, 44451105435218301006576, 443715189648501201190713852, 9592990624095118315413686008902, 434027944128749167232792242832245920
(list;
graph;
refs;
listen;
history;
text;
internal format)




