175105domain: NAppears in sequencesNumber of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 793", based on the 5-celled von Neumann neighborhood.at n=8A273565Numbers k such that N = k^6 is a twin rank (cf. A002822: 6N +- 1 are twin primes).at n=37A326236