597080
domain: N
Appears in sequences
- Number of permutations (p1,...,pn) such that 1 <= |pk - k| <= 2 for all k.at n=23A033305
- a(n) = (11*n+5)*(n+4)*(n+3)*(n+2)*(n+1)/120.at n=21A056118
- Total number of odd lists in all sets of lists, cf. A000262.at n=8A102289
- Number of permutations of [n] with no fixed points where the maximal displacement of an element equals two.at n=21A321048
- Totient numbers where a record gap appears in the list (A002202).at n=14A392633