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A195944 Numbers n such that 13^n has no zero in its decimal expansion. 22
0, 1, 2, 3, 4, 5, 7, 10, 14 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Probably finite. Is 14 the largest term?

LINKS

Table of n, a(n) for n=1..9.

Carlos Rivera, Puzzle 607

FORMULA

A195944 = { n | A001022(n) is in A052382 }.

PROG

(PARI) for( n=0, 9999, is_A052382(13^n) && print1(n", "))

(MAGMA) [n: n in [0..1000] | not 0 in Intseq(13^n) ]; // Vincenzo Librandi, May 06 2015

CROSSREFS

Cf. A195942, A195943, A195945, A195946, A195908, A195948, A052382, A007377, A008839, A030700, A030701, A030702, A030704, A030705, A030706.

Sequence in context: A018127 A017835 A007601 * A087830 A039857 A255216

Adjacent sequences:  A195941 A195942 A195943 * A195945 A195946 A195947

KEYWORD

nonn,base,fini

AUTHOR

M. F. Hasler, Sep 25 2011

STATUS

approved

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Last modified October 19 13:01 EDT 2019. Contains 328222 sequences. (Running on oeis4.)