Numbers having three 0's in base 6.

Terms

a(0) =216a(1) =432a(2) =648a(3) =864a(4) =1080a(5) =1297a(6) =1298a(7) =1299a(8) =1300a(9) =1301a(10) =1302a(11) =1308a(12) =1314a(13) =1320a(14) =1326a(15) =1332a(16) =1368a(17) =1404a(18) =1440a(19) =1476a(20) =1512a(21) =1728a(22) =1944a(23) =2160a(24) =2376a(25) =2593a(26) =2594a(27) =2595a(28) =2596a(29) =2597