a(n) is the least exponent e such that 3^e has exactly n consecutive 3's in its decimal representation.
A131550
a(n) is the least exponent e such that 3^e has exactly n consecutive 3's in its decimal representation.
Terms
- a(0) =1a(1) =31a(2) =119a(3) =185a(4) =511a(5) =2341a(6) =9671a(7) =7721a(8) =67449a(9) =364579a(10) =513334a(11) =639227a(12) =6250772a(13) =30377688a(14) =82011443a(15) =78927181
External references
- oeis: A131550