76288domain: NAppears in sequencesa(n) = ((8 + sqrt(8))^n + (8 - sqrt(8))^n)/2.at n=5A145303Numbers of the form p^9*q where p and q are distinct primes.at n=34A179692Expansion of x^4*(1 - x)^2*(1 - 3*x^2 - 2*x^3 + x^4 - x^5)/(1 - 2*x)^3.at n=17A192886