Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A081510
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A081510 Numbers n such that 1+2^n+4^n+6^n is prime. +0
1
1, 11, 23, 59, 399 (list; graph; listen)
OFFSET

1,2

EXAMPLE

m=1: 1+2+4+6=13 prime.

MATHEMATICA

Do[s=1^w+2^w+4^w+6^w; If[IntegerQ[w/100], Print[{w}]]; If[PrimeQ[s], Print[{w, s}]], {w, 0, 1000}]

CROSSREFS

Sequence in context: A098100 A105967 A097473 this_sequence A068844 A139905 A102273

Adjacent sequences: A081507 A081508 A081509 this_sequence A081511 A081512 A081513

KEYWORD

more,nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Apr 15 2003

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