Indices of record values in A266948: least prime p such that p-2 and 6n-p are also prime.

Terms

a(0) =0a(1) =2a(2) =5a(3) =21a(4) =37a(5) =93a(6) =133a(7) =463a(8) =1759a(9) =2676a(10) =4328a(11) =8931a(12) =10919a(13) =17929a(14) =22663a(15) =43451a(16) =45355a(17) =55533a(18) =60551a(19) =92233a(20) =112723a(21) =190371a(22) =485648a(23) =791123a(24) =1072318a(25) =1458993a(26) =2617393a(27) =4161343a(28) =7605593a(29) =8632704