A030703 - OEIS (original) (raw)

A030703

Decimal expansion of 7^n contains no zeros (probably finite).

26

0, 1, 2, 3, 6, 7, 10, 11, 19, 35

COMMENTS

No additional terms up to 20000. - Harvey P. Dale, Oct 02 2013

LINKS

Eric Weisstein's World of Mathematics, Zero

MATHEMATICA

Select[Range[0, 100], DigitCount[7^#, 10, 0]==0&] (* Harvey P. Dale, Oct 02 2013 *)

CROSSREFS

Cf. A195942, A195943, A195944, A195945, A195946, A195908, A007377, A008839, A030700, A030701, A030702, A030704, A030705, A030706.

EXTENSIONS

Initial term 0 inserted by M. F. Hasler, Sep 25 2011