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A238939 Powers of 3 without the digit '0' in their decimal expansion. 15
1, 3, 9, 27, 81, 243, 729, 2187, 6561, 19683, 177147, 531441, 1594323, 4782969, 1162261467, 94143178827, 282429536481, 2541865828329, 7625597484987, 22876792454961, 617673396283947, 16677181699666569, 278128389443693511257285776231761 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Conjectured to be finite and complete. See the OEIS wiki page for further information, references and links.

LINKS

Table of n, a(n) for n=1..23.

M. F. Hasler, Zeroless powers, OEIS wiki, Mar 07 2014

FORMULA

a(n)=3^A030700(n).

PROG

(PARI) for(n=0, 99, vecmin(digits(3^n))&& print1(3^n", "))

CROSSREFS

For the zeroless numbers (powers x^n), see A238938, A238939, A238940, A195948, A238936, A195908, A195946, A195945, A195942, A195943, A103662.

For the corresponding exponents, see A007377, A008839, A030700, A030701, A008839, A030702, A030703, A030704, A030705, A030706, A195944.

For other related sequences, see A052382, A027870, A102483, A103663.

Sequence in context: A000244 A133494 A050733 * A079846 A067500 A273898

Adjacent sequences:  A238936 A238937 A238938 * A238940 A238941 A238942

KEYWORD

nonn,fini,base

AUTHOR

M. F. Hasler, Mar 07 2014

STATUS

approved

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Last modified October 21 14:38 EDT 2019. Contains 328301 sequences. (Running on oeis4.)