Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A077268
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A077268 Number of bases in which n requires at least one zero to be written. +0
2
0, 1, 1, 2, 2, 3, 1, 3, 3, 4, 3, 5, 2, 3, 3, 4, 3, 6, 4, 6, 4, 3, 2, 7, 3, 4, 5, 7, 4, 7, 2, 6, 5, 5, 6, 8, 4, 5, 5, 8, 3, 7, 2, 5, 6, 4, 3, 9, 4, 7, 7, 7, 4, 9, 6, 8, 4, 4, 3, 11, 3, 4, 5, 7, 7, 9, 4, 6, 6, 9, 4, 11, 5, 6, 8, 7, 7, 9, 4, 9, 6, 6, 5, 12, 6, 5, 5, 9, 4, 11, 5, 6, 4, 4, 5, 11, 4, 7, 8, 10, 6 (list; graph; listen)
OFFSET

1,4

EXAMPLE

a(9)=3 since it requires zeros when written in bases 2, 3 or 9 (as 1001, 100 or 10 respectively).

CROSSREFS

Cf. A033093, A062842, A077266, A077267.

Sequence in context: A004595 A071681 A135621 this_sequence A162911 A131821 A143182

Adjacent sequences: A077265 A077266 A077267 this_sequence A077269 A077270 A077271

KEYWORD

base,nonn

AUTHOR

Henry Bottomley (se16(AT)btinternet.com), Nov 01 2002

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 27 14:34 EST 2009. Contains 167570 sequences.


AT&T Labs Research