104715393912
domain: N
Appears in sequences
- An intermediate sequence for nonisomorphic circulant self-complementary directed p^2-graphs, indexed by odd primes p.at n=12A038787
- An intermediate sequence for nonisomorphic circulant p^2-tournaments, indexed by odd primes p.at n=12A038791
- a(n) = (1/(2n)) * Sum_{d|n} phi(d) * 2^(2n/d) + (2^((n-4)/2), if n is even).at n=18A058880
- Number of frieze patterns of length n under a certain group (see Pisanski et al. for precise definition).at n=21A123045