Numbers n such that string 5,6 occurs in the base 8 representation of n but not of n-1.

Terms

a(0) =46a(1) =110a(2) =174a(3) =238a(4) =302a(5) =366a(6) =368a(7) =430a(8) =494a(9) =558a(10) =622a(11) =686a(12) =750a(13) =814a(14) =878a(15) =880a(16) =942a(17) =1006a(18) =1070a(19) =1134a(20) =1198a(21) =1262a(22) =1326a(23) =1390a(24) =1392a(25) =1454a(26) =1518a(27) =1582a(28) =1646a(29) =1710