login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A104189 Prime numbers arising from Schorn's proof that there are infinitely many primes. 0
2, 3, 5, 7, 13, 19, 73, 97, 241, 601, 2161, 15121, 20161, 30241, 35281, 161281, 241921, 282241, 1088641, 1451521, 2177281, 2903041, 10886401, 18144001, 29030401, 32659201, 39916801, 199584001, 319334401, 958003201, 2395008001, 2874009601 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

REFERENCES

Paolo Ribenboim, "The New Book of Prime Number Records", 1996, ISBN 0-387-94457-5 Page 5

LINKS

Author?, Title?

Author?, Schorn's proof

FORMULA

n!*i+1, where 1 <= i <= n and n!*i+1 is a prime.

EXAMPLE

6!*3+1 = 2161

MATHEMATICA

lst={}; Do[lst=Join[lst, Select[n!Range[n]+1, PrimeQ]], {n, 12}]; lst - T. D. Noe (noe(AT)sspectra.com), Nov 02 2006

CROSSREFS

Sequence in context: A108310 A146999 A147485 * A178570 A119717 A000627

Adjacent sequences:  A104186 A104187 A104188 * A104190 A104191 A104192

KEYWORD

nonn

AUTHOR

Karsten Meyer (arbol01(AT)gmx.de), Mar 12 2005; extended Jun 08 2005

EXTENSIONS

Corrected by T. D. Noe (noe(AT)sspectra.com), Nov 02 2006

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 18 00:14 EST 2012. Contains 206085 sequences.