Number of primes <= 12^n.

Terms

a(0) =0a(1) =5a(2) =34a(3) =269a(4) =2334a(5) =21950a(6) =215880a(7) =2194607a(8) =22847147a(9) =242104347a(10) =2601245287a(11) =28259222007a(12) =309787170203