109899
domain: N
Appears in sequences
- Numbers k such that k and 9*k are anagrams.at n=22A023093
- Magnetic Tower of Hanoi, number of moves of disk number k, generated by a certain algorithm, yielding a "forward moving" non-optimal solution of the [NEUTRAL ; NEUTRAL ; NEUTRAL] pre-colored puzzle.at n=12A183122
- Number of up/down (or down/up) patterns of length n.at n=9A350354