70538domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(679).at n=6A042304Numbers n such that { x +- 2^k : 0 < k < 4 } are primes, where x = 210*n - 105.at n=21A061671Number of 0's in the binary expansion of A127962(n).at n=35A127964