Smaller of twin primes whose middle term is a multiple of A002110(4)=210.

Terms

a(0) =419a(1) =1049a(2) =2309a(3) =2729a(4) =3359a(5) =5879a(6) =6089a(7) =6299a(8) =7349a(9) =7559a(10) =8819a(11) =9239a(12) =10499a(13) =10709a(14) =11549a(15) =11969a(16) =15329a(17) =18059a(18) =21839a(19) =25409a(20) =26249a(21) =26879a(22) =28349a(23) =29399a(24) =30869a(25) =31079a(26) =32969a(27) =33179a(28) =33599a(29) =33809