Numbers n such that string 1,4 occurs in the base 8 representation of n but not of n-1.

Terms

a(0) =12a(1) =76a(2) =96a(3) =140a(4) =204a(5) =268a(6) =332a(7) =396a(8) =460a(9) =524a(10) =588a(11) =608a(12) =652a(13) =716a(14) =768a(15) =844a(16) =908a(17) =972a(18) =1036a(19) =1100a(20) =1120a(21) =1164a(22) =1228a(23) =1292a(24) =1356a(25) =1420a(26) =1484a(27) =1548a(28) =1612a(29) =1632