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URL: https://oeis.org/A187603

⇱ A187603 - OEIS

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A187603
Primes of the form k!+k^k+k-1.
0
2, 7, 283, 47381, 39346414477670243303441, 11756638905368911244213090105451203173227585429569569
OFFSET
1,1
COMMENTS
The next term a(7) has 96 digits and is too large to be displayed here. a(8) has 351 digits.
EXAMPLE
4!+4^4+4-1 = 283 is prime and therefore in the sequence.
MATHEMATICA
Do[p=n!+n^n+n-1; If[PrimeQ[p], Print[p]], {n, 150}]
CROSSREFS
Sequence in context: A013097 A037067 A012987 * A290637 A260967 A367788
KEYWORD
nonn
AUTHOR
Marco Ripà, Mar 11 2011
STATUS
approved