105266domain: NAppears in sequencesNumbers whose base-10 and base-7 representations are permutations of the same multiset of digits.at n=56A130604Squarefree integers m > 1 such that if prime p divides m, then s_p(m) >= p and s_p(m) == 2 (mod p-1), where s_p(m) is the sum of the base p digits of m.at n=18A324404