Least Ramanujan prime having a gap of 2n to the next Ramanujan prime.

Terms

a(0) =149a(1) =67a(2) =11a(3) =59a(4) =409a(5) =17a(6) =1973a(7) =151a(8) =349a(9) =107a(10) =127a(11) =857a(12) =71a(13) =373a(14) =1187a(15) =5657a(16) =607a(17) =311a(18) =1823a(19) =769a(20) =677a(21) =1733a(22) =181a(23) =1103a(24) =1373a(25) =23767a(26) =1609a(27) =881a(28) =6703a(29) =1913