Primes p such that nextprime(p) - p = ( number of divisors of (nextprime(p)+p)/2 )-1.

Terms

a(0) =3a(1) =61a(2) =79a(3) =317a(4) =4730603a(5) =9150613a(6) =14791703a(7) =27154511a(8) =59259191a(9) =203404631a(10) =234273623a(11) =237683879a(12) =263802551a(13) =314778551a(14) =477772151a(15) =500998679a(16) =507736049a(17) =628103831a(18) =803042231a(19) =1047040151a(20) =1222341431a(21) =1516790903a(22) =1826793071a(23) =2037439031a(24) =2070067991a(25) =2310340343