Numbers n such that string 0,3 occurs in the base 10 representation of n but not of n+1.

Terms

a(0) =103a(1) =203a(2) =303a(3) =403a(4) =503a(5) =603a(6) =703a(7) =803a(8) =903a(9) =1003a(10) =1039a(11) =1103a(12) =1203a(13) =1303a(14) =1403a(15) =1503a(16) =1603a(17) =1703a(18) =1803a(19) =1903a(20) =2003a(21) =2039a(22) =2103a(23) =2203a(24) =2303a(25) =2403a(26) =2503a(27) =2603a(28) =2703a(29) =2803