a(n) = n-th smallest prime congruent to 1 modulo prime(n).

Terms

a(0) =3a(1) =13a(2) =41a(3) =113a(4) =331a(5) =443a(6) =613a(7) =1103a(8) =1013a(9) =1741a(10) =2543a(11) =3257a(12) =3691a(13) =4129a(14) =4889a(15) =6997a(16) =6491a(17) =8053a(18) =8443a(19) =12071a(20) =11681a(21) =12799a(22) =15439a(23) =18869a(24) =20759a(25) =21211a(26) =20807a(27) =27179a(28) =33791a(29) =28703