a(n) is the n-th J_7-prime (Josephus_7 prime).

Terms

a(0) =5a(1) =11a(2) =21a(3) =35a(4) =85a(5) =103a(6) =161a(7) =231a(8) =543a(9) =1697a(10) =1995a(11) =2289a(12) =37851a(13) =49923a(14) =113443a(15) =236091a(16) =285265