Number of nonnegative integers with property that their base 7/5 expansion (see A024642) has n digits.
A245423
Number of nonnegative integers with property that their base 7/5 expansion (see A024642) has n digits.
Terms
- a(0) =7a(1) =7a(2) =7a(3) =14a(4) =14a(5) =21a(6) =28a(7) =42a(8) =56a(9) =84a(10) =112a(11) =161a(12) =224a(13) =315a(14) =441a(15) =616a(16) =861a(17) =1204a(18) =1687a(19) =2366a(20) =3311a(21) =4634a(22) =6489a(23) =9086a(24) =12719a(25) =17808a(26) =24927a(27) =34902a(28) =48860a(29) =68404
External references
- oeis: A245423