Lucky numbers with size of gaps equal to 12 (upper terms).

Terms

a(0) =63a(1) =127a(2) =319a(3) =463a(4) =475a(5) =553a(6) =613a(7) =867a(8) =1009a(9) =1053a(10) =1167a(11) =1179a(12) =1231a(13) =1245a(14) =1275a(15) =1303a(16) =1471a(17) =1485a(18) =1611a(19) =1675a(20) =1723a(21) =1749a(22) =1869a(23) =1977a(24) =2079a(25) =2251a(26) =2335a(27) =2355a(28) =2439a(29) =2491