81111

Appears in sequences

• Multiples of 3 in which there is no common digit in successive terms.at n=33A083491
• Numbers k such that A003313(k) = A003313(5*k).at n=25A116460
• Smallest number k > 0 such that sigma(x) and sigma(x)+2 are both prime, where x = (6k+1)^(6n+4), or -1 if no such k exists.at n=9A275237