191116801domain: NAppears in sequencesa(n) = n^6 + n^3 + 1.at n=24A060883a(n) = 1 + sigma(n)^3 + sigma(n)^6.at n=13A259369a(n) = 1 + sigma(n)^3 + sigma(n)^6.at n=14A259369a(n) = 1 + sigma(n)^3 + sigma(n)^6.at n=22A259369Cyclotomic polynomial value Phi(9,n!).at n=4A260076