Primes p such that A066272(p)*p+1 is also prime, where A066272 is the number of anti-divisors.

Terms

a(0) =5a(1) =13a(2) =181a(3) =613a(4) =761a(5) =1201a(6) =8581a(7) =9661a(8) =21013a(9) =26681a(10) =34061a(11) =59513a(12) =68821a(13) =101701a(14) =156241a(15) =584281a(16) =637321a(17) =718801a(18) =782501a(19) =787513a(20) =1078981a(21) =1193513a(22) =1336613a(23) =1470613a(24) =1529501a(25) =1639861a(26) =1757813a(27) =2103301a(28) =2257813a(29) =2287661