285335

Appears in sequences

• Number of permutations of [n] with no strong fixed points.at n=9A052186
• Eigentriangle based on A052186 (permutations without strong fixed points), row sums = n!at n=45A144108
• Triangle read by rows: T(n,k) is the number of permutations of [n] having k strong fixed points (0 <= k <= n).at n=45A145878
• Triangle read by rows: T(n,k) is the number of permutations of [n] having k strong fixed blocks (see first comment for definition).at n=24A186373