A162604 -id:A162604 - cp's OEIS frontend

A162605 Primes of the form k^k-k!+2.

2, 23, 387057611, 7596040312163297274222442578036920783684137730466972969164241364503367485389656454146145546668114950475963285686810192201741431

Offset: 1

Vladimir Joseph Stephan Orlovsky, Jul 07 2009

nonn

The values of A036679(k)+2 at indices k=1, 3, 9, 69, ... - R. J. Mathar, Jul 16 2009

No further terms up to k=1000. - Harvey P. Dale, Apr 26 2022

Cf. A162603, A162604

f[n_]:=n^n-n!+2; lst={};Do[p=f[n];If[PrimeQ[p],AppendTo[lst,p]],{n,4*5!}]; lst
Select[Table[k^k-k!+2,{k,100}],PrimeQ] (* Harvey P. Dale, Apr 26 2022 *)

A162606 Primes of the form k^k-k!+6.

Original entry on oeis.org

3011, 818509, 827239906198908668183, 3877924263464448622408024944643162574255380546190593937673127995497376385062869

Offset: 1

Vladimir Joseph Stephan Orlovsky, Jul 07 2009

nonn

The values of A036679(k)+6 at indices k=5, 7, 17, 47, 97, 1073, ... - R. J. Mathar, Jul 16 2009

Cf. A162603, A162604, A162605

f[n_]:=n^n-n!+6; lst={};Do[p=f[n];If[PrimeQ[p],AppendTo[lst,p]],{n,3*5!}]; lst
Select[Table[n^n-n!+6,{n,50}],PrimeQ] (* Harvey P. Dale, Sep 22 2019 *)

cp's OEIS Frontend

A162605 Primes of the form k^k-k!+2.

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