22884

Appears in sequences

• Number of compositions of n into 6 parts such that no two adjacent parts are equal.at n=16A106355
• Number of ways to place n nonattacking composite pieces queen + leaper[2,5] on an n X n chessboard.at n=13A189869
• Number of n X 3 0..4 arrays with each element equal to the number its horizontal and vertical zero neighbors.at n=14A197049
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 421", based on the 5-celled von Neumann neighborhood.at n=31A272051
• Number of nontrivial equivalence classes of S_n under the {1234,3412} pattern-replacement equivalence.at n=46A330395