n is equal to the number of 3s in all numbers <= n written in base 5.
A014895
n is equal to the number of 3s in all numbers <= n written in base 5.
Terms
- a(0) =2787a(1) =2788a(2) =2793a(3) =2794a(4) =2940a(5) =3125a(6) =5912a(7) =5913a(8) =5918a(9) =5919a(10) =6065a(11) =6250a(12) =9037a(13) =9038a(14) =9043a(15) =9044a(16) =9190
External references
- oeis: A014895