Lesser of twin primes, written in base 6.

Terms

a(0) =3a(1) =5a(2) =15a(3) =25a(4) =45a(5) =105a(6) =135a(7) =155a(8) =245a(9) =255a(10) =345a(11) =405a(12) =455a(13) =515a(14) =525a(15) =1015a(16) =1035a(17) =1125a(18) =1145a(19) =1235a(20) =1335a(21) =1535a(22) =1555a(23) =2045a(24) =2225a(25) =2345a(26) =2435a(27) =2505a(28) =2545a(29) =3015