Numbers k such that the decimal expansion of k! begins with k.
A033147
Numbers k such that the decimal expansion of k! begins with k.
Terms
- a(0) =1a(1) =2a(2) =198a(3) =217a(4) =5936a(5) =7400a(6) =8999a(7) =11672a(8) =5814279a(9) =9242361a(10) =10430012a(11) =21603226a(12) =28563733a(13) =252544448a(14) =5042264464a(15) =5795685640a(16) =421559495895
External references
- oeis: A033147