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A120563 Prime numbers of the form prod_{k=1,...,n} prime(k)^k + 1. 0
3, 19, 2251 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Corresponding n for these three terms are 1, 2, 3. The next term, if any, has 330855 or more digits and corresponding n > 450.

LINKS

Table of n, a(n) for n=0..2.

EXAMPLE

The prime 2251 is a term as 2251 = 2^1 * 3^2 * 5^3 + 1.

CROSSREFS

Sequence in context: A114301 A192340 A098796 * A182344 A191623 A164063

Adjacent sequences:  A120560 A120561 A120562 * A120564 A120565 A120566

KEYWORD

bref,hard,more,nonn

AUTHOR

Rick L. Shepherd, Jun 14 2006

STATUS

approved

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Last modified August 30 04:09 EDT 2014. Contains 246216 sequences.