69194
domain: N
Appears in sequences
- Number of self-complementary 2-colored bracelets (turnover necklaces) with 2n beads.at n=17A007148
- Poincaré series [or Poincare series] P(C_{3,2}(0); t).at n=38A124636
- The number of permutations p of {1,...,n} such that |p(i)-p(i+1)| is in {2,3} for all i from 1 to n-1.at n=26A174703
- In the ternary Pi race between digits zero and one, where the race leader changes.at n=28A278974