Base-2 logarithm of product of primes between 2^n+1 and 2^(n+1).

Terms

a(0) =1a(1) =1a(2) =5a(3) =7a(4) =22a(5) =39a(6) =84a(7) =173a(8) =367a(9) =716a(10) =1444a(11) =2945a(12) =5823a(13) =11817a(14) =23457a(15) =47117a(16) =94496a(17) =188670a(18) =378296a(19) =755437a(20) =1512435a(21) =3024742a(22) =6049260a(23) =12099777a(24) =24205776a(25) =48402649a(26) =96809896a(27) =193632363a(28) =387252738a(29) =774544273