a(n) = the smallest prime > (1/EulerGamma)^n.

Terms

a(0) =2a(1) =5a(2) =7a(3) =11a(4) =17a(5) =29a(6) =47a(7) =83a(8) =149a(9) =251a(10) =431a(11) =733a(12) =1277a(13) =2203a(14) =3803a(15) =6599a(16) =11411a(17) =19777a(18) =34253a(19) =59333a(20) =102793a(21) =178067a(22) =308489a(23) =534431a(24) =925891a(25) =1604021a(26) =2778901a(27) =4814321a(28) =8340593a(29) =14449651