13062296531domain: NAppears in sequencesa(n) = 2^n + 3^n + 6^n.at n=13A074528Primes p = k^13 + m^13 + n^13 with nonnegative integer bases k, m, n.at n=6A176649Expansion of (1-8*x+14*x^2)/((1-2*x)*(1-3*x)*(1-6*x)).at n=14A246985