Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A152853
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A152853 Numbers of form 21k+1 or 21k+2 that use only digits 3 and 7. +0
1
337, 737, 7373, 73333, 73733, 333377, 333733, 737333, 737773, 777337, 777737, 3333373, 3333773, 3373337, 3373777, 3777377, 3777733, 7337737, 7373333, 7373773, 7733377, 7733777, 7777373, 33337333, 33337733, 33377737, 33733373 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Cf. A152824 and A152834.

Sequence in context: A020358 A051962 A157999 this_sequence A142830 A160069 A084231

Adjacent sequences: A152850 A152851 A152852 this_sequence A152854 A152855 A152856

KEYWORD

base,nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Dec 14 2008, Dec 26 2008

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 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research

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