340352domain: NAppears in sequencesa(n) = n^5-n^4-n^3-n^2-n-1.at n=13A125083Numbers n of the form p^5 - Phi_5(p) (for prime p) such that n^5 - Phi_5(n) is also prime.at n=1A237640a(n) = [x^n] (theta_3(x)/theta_4(x))^n, where theta_() is the Jacobi theta function.at n=6A294592Numbers that occur more than once in A338529.at n=4A338537