a(n) = if Floor[(2*Pi/E)*m^2] is prime then Floor[(2*Pi/E)*m^2].

Terms

a(0) =2a(1) =83a(2) =113a(3) =1019a(4) =2221a(5) =4273a(6) =9467a(7) =13001a(8) =15923a(9) =19141a(10) =19991a(11) =34403a(12) =60661a(13) =62929a(14) =67589a(15) =74891a(16) =79967a(17) =82567a(18) =83443a(19) =86993a(20) =107843a(21) =109849a(22) =115979a(23) =117017a(24) =123341a(25) =151483a(26) =189067a(27) =197083a(28) =233743a(29) =242647