38645domain: NAppears in sequencesNumbers k such that 2^(2k+1) + 2^(k+1) + 1 is prime.at n=13A006599Numbers whose base-14 representation has exactly 5 runs.at n=17A043666a(n) = 36*n^2 - 17*n + 2.at n=32A157265Numbers k such that 395*2^k+1 is prime.at n=13A323042