Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A058765
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A058765 Primes of the form 3^n - 2^n. +0
8
5, 19, 211, 129009091, 68629840493971, 617671248800299, 19383245658672820642055731, 14130386091162273752461387579, 1546132562196033990574082188840405015112916155251, 14540775100673388693723169448473706993159730308977340746977842962031155489999650\ 31474021874144975537134405477448628043552826333261491 (list; graph; listen)
OFFSET

1,1

MATHEMATICA

lst={}; Do[p=3^n-2^n; If[PrimeQ[p], AppendTo[lst, p]], {n, 0, 5*5!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 27 2009]

CROSSREFS

Cf. A001047 (3^n-2^n) and A057468 (n such that 3^n-2^n is prime).

Sequence in context: A102262 A123281 A135171 this_sequence A067967 A092751 A122150

Adjacent sequences: A058762 A058763 A058764 this_sequence A058766 A058767 A058768

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Jan 02 2001

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 24 23:16 EST 2009. Contains 167481 sequences.


AT&T Labs Research