Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A164939
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A164939 These are prime numbers p such that p^3 + p^2 + p + 2 is also prime +0
1
3, 5, 7, 13, 23, 29, 43, 79, 89, 113, 139, 163, 193, 197, 199, 229, 233, 277, 283, 317, 367, 379, 389, 503, 619, 727, 769, 797, 829, 839, 953, 967, 977, 997, 1063, 1229, 1297, 1307, 1399, 1409, 1483, 1607, 1619, 1637, 1697, 1759, 1777, 1877, 1979, 1987, 1999 (list; graph; listen)
OFFSET

1,1

EXAMPLE

3 is prime as is 3^3 + 3^2 + 3 + 2 = 41

MATHEMATICA

Select[Prime[Range[500]], PrimeQ[ #^3 + #^2 + # + 2]&]

CROSSREFS

A027444, A053698

Sequence in context: A005235 A107664 A085013 this_sequence A125272 A127443 A003229

Adjacent sequences: A164936 A164937 A164938 this_sequence A164940 A164941 A164942

KEYWORD

easy,nonn

AUTHOR

B. R. Becker (bbecker(AT)panda3.phys.unm.edu), Sep 01 2009

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