Numbers k such that string 9,2 occurs in the base 10 representation of k but not of k+1.

Terms

a(0) =92a(1) =192a(2) =292a(3) =392a(4) =492a(5) =592a(6) =692a(7) =792a(8) =892a(9) =929a(10) =992a(11) =1092a(12) =1192a(13) =1292a(14) =1392a(15) =1492a(16) =1592a(17) =1692a(18) =1792a(19) =1892a(20) =1929a(21) =1992a(22) =2092a(23) =2192a(24) =2292a(25) =2392a(26) =2492a(27) =2592a(28) =2692a(29) =2792