First of quintuples of consecutive happy numbers.

Terms

a(0) =44488a(1) =222688a(2) =226288a(3) =258598a(4) =262288a(5) =285598a(6) =404488a(7) =440488a(8) =444088a(9) =528598a(10) =582598a(11) =622288a(12) =825598a(13) =852598a(14) =1113688a(15) =1116388a(16) =1131688a(17) =1136188a(18) =1161388a(19) =1163188a(20) =1233588a(21) =1235388a(22) =1253388a(23) =1311688a(24) =1316188a(25) =1323588a(26) =1325388a(27) =1332588a(28) =1335288a(29) =1352388