Odd primes satisfying a specific condition (see comments).

Terms

a(0) =19a(1) =23a(2) =163a(3) =487a(4) =1459a(5) =2663a(6) =39367a(7) =410759a(8) =715823a(9) =2450087a(10) =12872687a(11) =13935743a(12) =23394167a(13) =86093443a(14) =160125983a(15) =219804479a(16) =236741543a(17) =258280327a(18) =2116179719a(19) =3991233959a(20) =4715895383a(21) =6109873703a(22) =8487319319a(23) =9264815927a(24) =12601744847a(25) =23301536327a(26) =29304337247a(27) =34307101079a(28) =39322276199