Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A131958
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A131958 Prime numbers of the form prod(k=1,n,prime(k)^prime(n-k+1)) + 1. +0
2
5, 73, 21601, 2097197194438629126172451944256706311040000000000001 (list; graph; listen)
OFFSET

1,1

COMMENT

Any additional term is too large to include. A131959 gives corresponding n.

EXAMPLE

(2^5)*(3^3)*(5^2) + 1 = 21601, a prime, is a term.

CROSSREFS

Cf. A131959.

Sequence in context: A096538 A012640 A128889 this_sequence A051156 A092826 A092828

Adjacent sequences: A131955 A131956 A131957 this_sequence A131959 A131960 A131961

KEYWORD

nonn

AUTHOR

Rick L. Shepherd (rshepherd2(AT)hotmail.com), Aug 01 2007

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 December 3 01:16 EST 2008. Contains 151161 sequences.


AT&T Labs Research