Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A020420
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A020420 Numbers n such that continued fraction for sqrt(n) has period 81. +0
1
3169, 3697, 5233, 6269, 6521, 9521, 9754, 9946, 10169, 12149, 12202, 12385, 13738, 15461, 15706, 15898, 17321, 18922, 19853, 20065, 20341, 21977, 21985, 23333, 24154, 24457, 24953, 25013, 25034, 25181, 27109, 27781, 27802, 28114, 28249, 28786, 28873 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A031554 A068266 A140350 this_sequence A129472 A023309 A023337

Adjacent sequences: A020417 A020418 A020419 this_sequence A020421 A020422 A020423

KEYWORD

nonn

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 August 19 23:53 EDT 2008. Contains 142930 sequences.


AT&T Labs Research