152571domain: NAppears in sequencesTotal number of positive integers below 10^n requiring 6 positive biquadrates in their representation as sum of biquadrates.at n=5A186657Numbers m for which the sum of all values of k satisfying the equation: (m - floor((m - k)/k)) mod k = 0 (1 <= k <= m) equals 2*m.at n=5A380153