Numbers with the property that all pairs of consecutive base-5 digits differ by more than 2.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =9a(5) =15a(6) =20a(7) =21a(8) =45a(9) =46a(10) =78a(11) =79a(12) =103a(13) =104a(14) =109a(15) =228a(16) =229a(17) =234a(18) =390a(19) =395a(20) =396a(21) =515a(22) =520a(23) =521a(24) =545a(25) =546a(26) =1140a(27) =1145a(28) =1146a(29) =1170