

A187613


Primes of the form 2*(n+1)^n1


0



3, 17, 127, 1249, 15551, 2305843009213693951, 31038897942201777945149702143, 2367537365232383918755194875240328986623, 570547835447447752112342166810585564655534923425416186081
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OFFSET

1,1


COMMENTS

For n=1,2,3,4,5 we have 5 prime numbers, so they are the first terms of the sequence. No other primes has been found for n<101.


LINKS



EXAMPLE

For n=5 we have the prime p:=12^51=15551.


MATHEMATICA

Do[p=2*(n+1)^n1; If[PrimeQ[p], Print[p]], {n, 100}]
Select[Table[2(n+1)^n1, {n, 40}], PrimeQ] (* Harvey P. Dale, Dec 02 2017 *)


CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



