Primes p such that sum of divisors of p+2 is prime.

Terms

a(0) =2a(1) =7a(2) =23a(3) =727a(4) =2399a(5) =5039a(6) =7919a(7) =17159a(8) =28559a(9) =29927a(10) =85847a(11) =458327a(12) =552047a(13) =579119a(14) =707279a(15) =1190279a(16) =3418799a(17) =3728759a(18) =4532639a(19) =5166527a(20) =5331479a(21) =7447439a(22) =10374839a(23) =24137567a(24) =25877567a(25) =28398239a(26) =30260999a(27) =43546799a(28) =47458319a(29) =52258439