Index of the primes in A084163.

Terms

a(0) =5a(1) =7a(2) =22a(3) =23a(4) =27a(5) =187a(6) =195a(7) =207a(8) =310a(9) =1958a(10) =1962a(11) =7707a(12) =7731a(13) =7767a(14) =12286a(15) =316377a(16) =316463a(17) =503702a(18) =2057511a(19) =2057517a(20) =3291298a(21) =3291318a(22) =8440986a(23) =13520361a(24) =21709006a(25) =89959247a(26) =89959271a(27) =89959301a(28) =89959531a(29) =89959631