Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A020665
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A020665 n^a(n) is (almost certainly) the largest power of n not containing a zero. +0
3
86, 68, 43, 58, 44, 35, 27, 34, 0, 41, 26, 14, 34, 27, 19, 27, 17, 44, 0, 13, 22, 10, 13, 29, 15, 9, 16, 14, 0, 16, 7, 23, 5, 17, 22, 16, 10, 19, 0, 9, 13, 10, 6, 39, 7, 8, 19, 5, 0, 19, 18, 7, 13, 11, 23, 7, 23, 14, 0, 16, 5, 14, 12, 3, 14, 14, 14, 12, 0, 8, 22, 6, 4, 19, 11, 12, 10, 9, 0 (list; graph; listen)
OFFSET

2,1

LINKS

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

MATHEMATICA

a = {}; Do[ If[ Mod[n, 10] == 0, b = 0; Continue]; Do[ If[ Count[ IntegerDigits[n^k], 0 ] == 0, b = k], {k, 1, 200} ]; a = Append[a, b], {n, 2, 81} ];

CROSSREFS

Sequence in context: A045916 A033406 A143759 this_sequence A058907 A045101 A020215

Adjacent sequences: A020662 A020663 A020664 this_sequence A020666 A020667 A020668

KEYWORD

nonn,base

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 23 10:40 EST 2009. Contains 167421 sequences.


AT&T Labs Research