The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A030704 Numbers n such that the decimal expansion of 8^n contains no zeros (probably finite). 25
 0, 1, 2, 3, 5, 6, 8, 9, 11, 12, 13, 17, 24, 27 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Integers in A007377 / 3. - M. F. Hasler, Mar 07 2014 LINKS Eric Weisstein's World of Mathematics, Zero MATHEMATICA Select[Range[0, 30], DigitCount[8^#, 10, 0]==0&] (* Harvey P. Dale, Jul 13 2016 *) PROG (PARI) select( is(n)=vecmin(digits(8^n)), [0..30]) \\ M. F. Hasler, Mar 07 2014 (MAGMA) [n: n in [0..500] | not 0 in Intseq(8^n)]; // Vincenzo Librandi, Mar 08 2014 CROSSREFS Cf. A007377 (analog for 2^n), A030700 (for 3^n), A030701 (for 4^n), A008839 (for 5^n), A030702 (for 6^n), A030703 and A195908 (for 7^n), A030705 (for 9^n), A030706 and A195946 (for 11^n), A195944 and A195945 (for 13^n). Cf. A195942, A195943. This is row 0 of A305928. Sequence in context: A224996 A246046 A026428 * A305928 A239013 A332101 Adjacent sequences:  A030701 A030702 A030703 * A030705 A030706 A030707 KEYWORD nonn,base AUTHOR EXTENSIONS Several edits (offset 1, initial 0, title rephrased) by M. F. Hasler, Mar 07 2014 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified April 16 00:02 EDT 2021. Contains 343020 sequences. (Running on oeis4.)