Integer part of 6th root of product of first n primes.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =5a(6) =8a(7) =14a(8) =24a(9) =43a(10) =76a(11) =139a(12) =259a(13) =485a(14) =922a(15) =1787a(16) =3526a(17) =6996a(18) =14100a(19) =28692a(20) =58656a(21) =121503a(22) =253767a(23) =536209a(24) =1149378a(25) =2480370a(26) =5370187a(27) =11700921a(28) =25573556a(29) =56230361