

A134985


Numbers n such that (n1)^(n+1)  n^n is prime.


1




OFFSET

1,1


COMMENTS

No more terms up to 10000.  Rick L. Shepherd, May 16 2008


LINKS

Table of n, a(n) for n=1..8.


EXAMPLE

12^14  13^13 = 981043357956611, which is prime, so 13 is in the list.


MATHEMATICA

Select[Table[n, {n, 5, 400}], PrimeQ[(#1)^(#+1)#^#]&] (* Vladimir Joseph Stephan Orlovsky, Mar 03 2011*)


CROSSREFS

Sequence in context: A273929 A067531 A031029 * A111018 A326132 A161925
Adjacent sequences: A134982 A134983 A134984 * A134986 A134987 A134988


KEYWORD

hard,more,nonn


AUTHOR

Carl R. White, Feb 05 2008


STATUS

approved



