Numbers n such that string 3,7 occurs in the base 9 representation of n but not of n+1.

Terms

a(0) =34a(1) =115a(2) =196a(3) =277a(4) =314a(5) =358a(6) =439a(7) =520a(8) =601a(9) =682a(10) =763a(11) =844a(12) =925a(13) =1006a(14) =1043a(15) =1087a(16) =1168a(17) =1249a(18) =1330a(19) =1411a(20) =1492a(21) =1573a(22) =1654a(23) =1735a(24) =1772a(25) =1816a(26) =1897a(27) =1978a(28) =2059a(29) =2140