66965domain: NAppears in sequencesa(0) = 1, a(1) = 5; for n >= 2 a(n) is the number of degree-n monic reducible polynomials over GF(5), i.e., a(n) = 5^n - A001692(n).at n=7A058820Total number of positive integers below 10^n requiring 14 positive biquadrates in their representation as sum of biquadrates.at n=5A186673