105316domain: NAppears in sequencesPositive numbers k such that k and 6*k are anagrams in base 9 (written in base 9).at n=10A023083Number of permutations of 1..2*n+2 with each element displaced by at least n.at n=7A183245First differences of (provable) Sierpiński numbers (A076336).at n=13A270971