3085465
domain: N
Appears in sequences
- Number of ZnS polytypes that repeat after n layers.at n=28A011957
- (2^(p-1)-1)/(3*p) where p = prime(n).at n=7A096060
- Number of 6-elements orbits of S3 action on irreducible polynomials of degree n > 1 over GF(2).at n=27A165921
- Number of inequivalent colorful necklaces.at n=28A306888
- Number of n-bead necklace structures with beads of exactly three colors and no adjacent beads having the same color.at n=28A327397
- a(n) = (2^(A003558(n)) - A332433(n))/(2*n+1), for n >= 0.at n=43A329593