login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A162604 Primes of the form k^k-k!-9. 2

%I

%S 223,16736887,104857597567097991823359991,

%T 11756638905368320778615010897169507936008298389569527

%N Primes of the form k^k-k!-9.

%C The values of A036679(k)-9 at indices k=4, 8, 20, 34, ... - _R. J. Mathar_, Jul 16 2009

%t Select[Table[n^n-n!-9,{n,3,50}],PrimeQ] (* _Harvey P. Dale_, Jul 30 2017 *)

%o (MAGMA) [a: n in [3..100] | IsPrime(a) where a is n^n-Factorial(n)-9]; // _Vincenzo Librandi_, Aug 02 2017

%Y Cf. A162603.

%K nonn

%O 1,1

%A _Vladimir Joseph Stephan Orlovsky_, Jul 07 2009

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 22 10:56 EDT 2021. Contains 345375 sequences. (Running on oeis4.)