Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A044005
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A044005 Numbers n such that 1 and 2 occur juxtaposed in the base 10 representation of n but not of n+1. +0
1
12, 21, 112, 129, 219, 221, 312, 321, 412, 421, 512, 521, 612, 621, 712, 721, 812, 821, 912, 921, 1012, 1021, 1112, 1129, 1299, 1312, 1321, 1412, 1421, 1512, 1521, 1612, 1621, 1712, 1721, 1812, 1821, 1912, 1921, 2012, 2021 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Sequence in context: A039402 A043225 A111066 this_sequence A134514 A030299 A001292

Adjacent sequences: A044002 A044003 A044004 this_sequence A044006 A044007 A044008

KEYWORD

nonn,base

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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 December 18 21:37 EST 2009. Contains 171024 sequences.

AT&T Labs Research

Legal Notice
© 2009 AT&T Intellectual Property. All Rights Reserved.