Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A139950
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A139950 Primes of the form 5x^2+77y^2. +0
1
5, 97, 157, 257, 313, 353, 397, 433, 577, 773, 797, 1013, 1153, 1193, 1237, 1277, 1433, 1637, 1697, 1753, 1973, 2113, 2357, 2677, 2693, 2777, 2897, 2953, 2957, 3037, 3433, 3457, 3617, 3793, 3853, 3877, 4073, 4093, 4217, 4273, 4357, 4493 (list; graph; listen)
OFFSET

1,1

COMMENT

Discriminant=-1540. See A139827 for more information.

FORMULA

The primes are congruent to {5, 97, 157, 213, 257, 313, 353, 377, 397, 433, 493, 537, 573, 577, 713, 773, 797, 817, 873, 993, 1013, 1137, 1153, 1193, 1237, 1277, 1357, 1413, 1417, 1433, 1497} (mod 1540).

CROSSREFS

Sequence in context: A116159 A054205 A116290 this_sequence A102734 A117341 A062538

Adjacent sequences: A139947 A139948 A139949 this_sequence A139951 A139952 A139953

KEYWORD

nonn,easy

AUTHOR

T. D. Noe (noe(AT)sspectra.com), May 02 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 September 6 16:04 EDT 2008. Contains 143483 sequences.


AT&T Labs Research