Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A139063
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A139063 a(n) = numbers k for which (6+k!)/6 is prime. +0
44
3, 4, 10, 11, 13, 14, 17, 21, 82, 115, 165, 167, 173, 174, 208, 225, 380 (list; graph; listen)
OFFSET

1,1

COMMENT

Primes of the form (6+k!)/6 see A139062

MATHEMATICA

a = {}; Do[If[PrimeQ[(n! + 6)/6], AppendTo[a, n]], {n, 1, 500}]; a

CROSSREFS

Cf. A082672, A089085, A089130, A117141, A007749, A139056, A139057, A139058, A139059, A139060, A139061, A139061, A139062, A139063, A139064, A139065, A139066, A020458.

Sequence in context: A117781 A075100 A066861 this_sequence A047341 A091910 A131179

Adjacent sequences: A139060 A139061 A139062 this_sequence A139064 A139065 A139066

KEYWORD

nonn

AUTHOR

Artur Jasinski (grafix(AT)csl.pl), Apr 07 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 November 25 20:09 EST 2009. Contains 167514 sequences.


AT&T Labs Research