A162604 Primes of the form k^k-k!-9.

223, 16736887, 104857597567097991823359991, 11756638905368320778615010897169507936008298389569527

Offset: 1

Author

Vladimir Joseph Stephan Orlovsky, Jul 07 2009

Keywords

• nonn

Comments

The values of A036679(k)-9 at indices k=4, 8, 20, 34, ... - R. J. Mathar, Jul 16 2009

Crossrefs

Cf. A162603.

Programs

Magma

[a: n in [3..100] | IsPrime(a) where a is n^n-Factorial(n)-9]; // Vincenzo Librandi, Aug 02 2017

Mathematica

Select[Table[n^n-n!-9,{n,3,50}],PrimeQ] (* Harvey P. Dale, Jul 30 2017 *)