|
|
A072179
|
|
Numbers n such that n^(n+1) - (n+1)^n is prime.
|
|
7
|
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
Some of the larger entries may only correspond to probable primes.
|
|
LINKS
|
|
|
MATHEMATICA
|
Do[ If[ PrimeQ[ n^(n + 1) - (n + 1)^n], Print[n]], {n, 1, 2000}]
|
|
PROG
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Daniel Gronau (Daniel.Gronau(AT)gmx.de), Jun 30 2002
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|