Numbers k such that string 7,2 occurs in the base 8 representation of k but not of k-1.

Terms

a(0) =58a(1) =122a(2) =186a(3) =250a(4) =314a(5) =378a(6) =442a(7) =464a(8) =506a(9) =570a(10) =634a(11) =698a(12) =762a(13) =826a(14) =890a(15) =954a(16) =976a(17) =1018a(18) =1082a(19) =1146a(20) =1210a(21) =1274a(22) =1338a(23) =1402a(24) =1466a(25) =1488a(26) =1530a(27) =1594a(28) =1658a(29) =1722