163576

Appears in sequences

• A diagonal in the array A158825 of coefficients of successive iterations of x*C(x), where C(x) is the Catalan function (A000108).at n=6A158831
• Triangle, read by rows, that transforms rows into diagonals in the table A158825 of coefficients in successive iterations of x*Catalan(x) (cf. A000108).at n=21A166905
• Number of ways to place 2 nonattacking knights on an n X n board.at n=23A172132