Numbers n such that string 3,6 occurs in the base 10 representation of n but not of n+1.

Terms

a(0) =36a(1) =136a(2) =236a(3) =336a(4) =369a(5) =436a(6) =536a(7) =636a(8) =736a(9) =836a(10) =936a(11) =1036a(12) =1136a(13) =1236a(14) =1336a(15) =1369a(16) =1436a(17) =1536a(18) =1636a(19) =1736a(20) =1836a(21) =1936a(22) =2036a(23) =2136a(24) =2236a(25) =2336a(26) =2369a(27) =2436a(28) =2536a(29) =2636