A018857 - OEIS

%I #13 Jan 29 2017 08:53:00

%S 1,27,3,4782969,59049,6561,729,81,9,10460353203,1162261467,129140163,

%T 1350851717672992089,14348907,1594323,16677181699666569,177147,

%U 1853020188851841,19683,205891132094649,2187,22876792454961

%N Smallest power of 3 that begins with n.

%H Seiichi Manyama, <a href="/A018857/b018857.txt">Table of n, a(n) for n = 1..563</a>

%F a(n) = 3^A018858(n). - _Seiichi Manyama_, Jan 29 2017

%F a(3^n) = 3^n for n >= 0. - _Seiichi Manyama_, Jan 29 2017

%Y Cf. A018802 (k=2), this sequence (k=3), A018859 (k=4), A018861 (k=5), A018863 (k=6), A018865 (k=7), A018867 (k=8), A018869 (k=9).

%K nonn,base

%O 1,2

%A _David W. Wilson_