Lesser of twin simili-primes of order 2.

Terms

a(0) =5a(1) =28a(2) =148a(3) =281a(4) =419a(5) =718a(6) =778a(7) =839a(8) =916a(9) =1126a(10) =1199a(11) =1318a(12) =1438a(13) =1486a(14) =1499a(15) =1871a(16) =1979a(17) =1991a(18) =2308a(19) =2518a(20) =2729a(21) =3946a(22) =4126a(23) =4546a(24) =4649a(25) =4931a(26) =6046a(27) =6089a(28) =6779a(29) =7859