Numbers which contain only the digit 4 in their base-5 representation, with at most one exception. If the exception is the most-significant digit, it must be the digit 1, 2, or 3, otherwise the exception must be the digit 3.
A188531
Numbers which contain only the digit 4 in their base-5 representation, with at most one exception. If the exception is the most-significant digit, it must be the digit 1, 2, or 3, otherwise the exception must be the digit 3.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =4a(4) =9a(5) =14a(6) =19a(7) =23a(8) =24a(9) =49a(10) =74a(11) =99a(12) =119a(13) =123a(14) =124a(15) =249a(16) =374a(17) =499a(18) =599a(19) =619a(20) =623a(21) =624a(22) =1249a(23) =1874a(24) =2499a(25) =2999a(26) =3099a(27) =3119a(28) =3123a(29) =3124
External references
- oeis: A188531