A162591 - OEIS

A162591

Primes in A007781.

3, 23, 229, 776887, 275311670611, 808793517812627212561, 47962816398523117606189726043968411848519304708598059350620557763277694737755820158580941773369740112983781265183299561695077810144494290292906506606685128216915382107158604900927276535058149770652889252352435564631

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

See A072164 for a condensed representation of the same information.

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

3^3-2^2=27-4=23 is prime and enters the list.

MATHEMATICA

f[n_]:=n^n-(n-1)^(n-1); lst={}; Do[If[PrimeQ[f[n]], AppendTo[lst, f[n]]], {n, 2, 5!}]; lst

CROSSREFS