117234domain: NAppears in sequencesNumber of 5-element nondividing subsets of {1, 2, ..., n}.at n=36A187492Greatest integer k such that k/2^n < sqrt(1/5).at n=18A293334The integer k that minimizes |k/2^n - sqrt(1/5)|.at n=18A293336Smallest number obtained by concatenating a permutation of the divisors of n.at n=33A390599