Primes remaining primes under map 3<=>5 (interchange of decimal digits 3 and 5).

Terms

a(0) =2351a(1) =2531a(2) =3251a(3) =3257a(4) =3457a(5) =3547a(6) =3581a(7) =3659a(8) =5231a(9) =5237a(10) =5347a(11) =5381a(12) =5437a(13) =5639a(14) =13151a(15) =13159a(16) =13577a(17) =13591a(18) =13751a(19) =13757a(20) =13759a(21) =15131a(22) =15139a(23) =15377a(24) =15391a(25) =15731a(26) =15737a(27) =15739a(28) =17359a(29) =17539