Positions of records in A033178.

Terms

a(0) =2a(1) =5a(2) =13a(3) =25a(4) =37a(5) =41a(6) =61a(7) =85a(8) =113a(9) =181a(10) =361a(11) =421a(12) =433a(13) =613a(14) =793a(15) =1009a(16) =1121a(17) =1261a(18) =2053a(19) =2161a(20) =3421a(21) =4001a(22) =5441a(23) =6481a(24) =7141a(25) =7561a(26) =8033a(27) =9361