Numbers n such that string 2,2 occurs in the base 9 representation of n but not of n+1.

Terms

a(0) =20a(1) =101a(2) =188a(3) =263a(4) =344a(5) =425a(6) =506a(7) =587a(8) =668a(9) =749a(10) =830a(11) =917a(12) =992a(13) =1073a(14) =1154a(15) =1235a(16) =1316a(17) =1397a(18) =1478a(19) =1559a(20) =1700a(21) =1721a(22) =1802a(23) =1883a(24) =1964a(25) =2045a(26) =2126a(27) =2207a(28) =2288a(29) =2375