51652domain: NAppears in sequencesMultiply by 5 and reverse.at n=18A045539Number of connected simple graphs with n vertices, n+1 edges, and vertex degrees no more than 4.at n=12A112410Numbers k such that 3*R_k - 10 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=26A256773