A074117 Smallest n-digit power of 3.

1, 27, 243, 2187, 19683, 177147, 1594323, 14348907, 129140163, 1162261467, 10460353203, 282429536481, 2541865828329, 22876792454961, 205891132094649, 1853020188851841, 16677181699666569, 150094635296999121, 1350851717672992089, 12157665459056928801

Offset

1,2

Links

Andrew Howroyd, Table of n, a(n) for n = 1..200

Formula

a(n) = 3^ceiling((n-1)*log(10)/log(3)). - Andrew Howroyd, Jan 16 2020

Crossrefs

Cf. A067488, A074116, A074118.

Sequence in context: A207104 A075548 A345054 * A030509 A042414 A099226

Adjacent sequences: A074114 A074115 A074116 * A074118 A074119 A074120

Keyword

base,nonn

Author

Amarnath Murthy, Aug 27 2002

Extensions

a(1) corrected and terms a(16) and beyond from Andrew Howroyd, Jan 16 2020

Status

approved