117766domain: NAppears in sequencesPositive numbers k such that k and 5*k are anagrams in base 8 (written in base 8).at n=30A023076n and pi(n) are both made of nontrivial runs of identical digits, where pi(n)=A000720(n).at n=4A116056Numbers n such that prime(n) and pi(n) are palindromic.at n=13A124232