Primes of the form p*q + p + q, where (p, q=p+2) are twin primes.

Terms

a(0) =23a(1) =47a(2) =167a(3) =359a(4) =1847a(5) =3719a(6) =10607a(7) =19319a(8) =97967a(9) =177239a(10) =273527a(11) =657719a(12) =1042439a(13) =1104599a(14) =1329407a(15) =1515359a(16) =1745039a(17) =2042039a(18) =4464767a(19) =5013119a(20) =5148359a(21) =9740639a(22) =11095559a(23) =11377127a(24) =12538679a(25) =16024007a(26) =16410599a(27) =16752647