1220703121domain: NAppears in sequencesSemiprime nearest to 5^n. In case of a tie, choose the smaller.at n=13A117429(1, 2, 3, 2^2, 5, 2*3, 7, 2^3, 3^2, 2*5, 11, 2^2*3, 13, 2*7, 3*5,..) becomes (abs(1-2^3-2, 2-5^2-3, 7-2^3-3, 2-2^5-11, 2-2^3-13, 2-7^3-5,..)).at n=32A144114a(n) = 5^n - 4.at n=12A164785