291171

Appears in sequences

• Number T(n,k) of equivalence classes of ways of placing k 2 X 2 tiles in an n X n square under all symmetry operations of the square; irregular triangle T(n,k), n>=2, 0<=k<=floor(n/2)^2, read by rows.at n=56A236679
• Partial sums of A009927.at n=38A265038
• Number of non-equivalent ways to place 5 non-attacking kings on an n X n board.at n=7A279114