a(n) = smallest Ramanujan prime R_k in A104272 that is >= A000101(n).

Terms

a(0) =11a(1) =11a(2) =11a(3) =29a(4) =97a(5) =127a(6) =569a(7) =937a(8) =1151a(9) =1367a(10) =9613a(11) =15727a(12) =19681a(13) =31481a(14) =156007a(15) =360769a(16) =370387a(17) =492251a(18) =1349669a(19) =1357333a(20) =2010881a(21) =4652507a(22) =17051981a(23) =20831639a(24) =47326913a(25) =122165059a(26) =189695893a(27) =191913047