30434

Appears in sequences

• Number of steps to reach 0 when starting from (2^n)-2 and iterating the map x -> x - (number of runs in binary representation of x): a(n) = A255072(A000918(n)).at n=17A255061
• Coordination sequence for (2,4,7) tiling of hyperbolic plane.at n=27A265062
• Numbers k such that (19*10^k + 101) / 3 is prime.at n=25A276672