Positive integers n for which n = f(n), where f(n) is the total number of 3's required when writing out all numbers between 0 and n.
A101640
Positive integers n for which n = f(n), where f(n) is the total number of 3's required when writing out all numbers between 0 and n.
Terms
- a(0) =371599983a(1) =371599984a(2) =371599985a(3) =371599986a(4) =371599987a(5) =371599988a(6) =371599989a(7) =371599990a(8) =371599991a(9) =371599992a(10) =500000000a(11) =10000000000a(12) =10371599983a(13) =10371599984a(14) =10371599985a(15) =10371599986a(16) =10371599987a(17) =10371599988
External references
- oeis: A101640