Primes whose anti-divisors sum to a prime.

Terms

a(0) =3a(1) =5a(2) =13a(3) =41a(4) =113a(5) =761a(6) =1201a(7) =1741a(8) =1861a(9) =2113a(10) =9661a(11) =9941a(12) =12641a(13) =13613a(14) =15313a(15) =21841a(16) =23981a(17) =30013a(18) =34061a(19) =47741a(20) =49613a(21) =60901a(22) =70313a(23) =83641a(24) =101701a(25) =237361a(26) =241513a(27) =252761a(28) =303421a(29) =335381