Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A002141
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A002141 Class numbers of quadratic fields.
(Formerly M3745 N1530)
+0
1
1, 1, 5, 6, 7, 7, 9, 53, 60, 66, 83, 83, 136, 136, 185, 185, 185, 312, 312, 312, 3064, 3718, 3718, 3718, 8096, 9826, 12384, 16602, 16602, 16602, 16760, 16760, 182424, 323392, 323392, 323392, 323392 (list; graph; listen)
OFFSET

3,3

REFERENCES

D. H. Lehmer, E. Lehmer and D. Shanks, Integer sequences having prescribed quadratic character, Math. Comp., 24 (1970), 433-451.

LINKS

Index entries for sequences related to quadratic fields

CROSSREFS

Sequence in context: A095942 A139395 A029911 this_sequence A114547 A030541 A020710

Adjacent sequences: A002138 A002139 A002140 this_sequence A002142 A002143 A002144

KEYWORD

nonn

AUTHOR

njas

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 July 24 12:00 EDT 2008. Contains 142294 sequences.


AT&T Labs Research