Lesser of twin primes p such that 6*p+1 is greater of twin primes.

Terms

a(0) =3a(1) =5a(2) =17a(3) =107a(4) =137a(5) =347a(6) =2027a(7) =3257a(8) =4217a(9) =4547a(10) =9767a(11) =15137a(12) =20717a(13) =23537a(14) =25847a(15) =32057a(16) =37307a(17) =38327a(18) =43607a(19) =48407a(20) =53147a(21) =53897a(22) =59357a(23) =60167a(24) =62927a(25) =86027a(26) =90527a(27) =92957a(28) =94847a(29) =95987