Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A020456
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A020456 Primes that contain digits 1 and 8 only. +0
2
11, 181, 811, 881, 1181, 1811, 8111, 18181, 81181, 88811, 1111181, 1181881, 1881181, 1881811, 1881881, 8118181, 8181881, 8188111, 8188181, 8818811, 8881111, 8881811, 11818181, 11881811, 11888111, 18111881, 18118811, 18181181, 18811181, 18888811 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A157382 A157945 A106907 this_sequence A036935 A143413 A009118

Adjacent sequences: A020453 A020454 A020455 this_sequence A020457 A020458 A020459

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 25 20:09 EST 2009. Contains 167514 sequences.


AT&T Labs Research