46961domain: NAppears in sequencesa(n) = 81*n^2 - 2247*n + 15383.at n=38A182255Square roots of highly composite numbers, floored down: a(n) = A000196(A002182(n)).at n=69A263096Numerators of the partial sums of the reciprocals of the alternating sum of divisors function (A206369).at n=26A379619