Table read by rows: rows give successive prime sextets of form k, k+30, k+60, k+90, k+120, k+150.

Terms

a(0) =7a(1) =37a(2) =67a(3) =97a(4) =127a(5) =157a(6) =107a(7) =137a(8) =167a(9) =197a(10) =227a(11) =257a(12) =359a(13) =389a(14) =419a(15) =449a(16) =479a(17) =509a(18) =541a(19) =571a(20) =601a(21) =631a(22) =661a(23) =691a(24) =2221a(25) =2251a(26) =2281a(27) =2311a(28) =2341a(29) =2371