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A049985
Primes of form n! - (n-1)! - 1.
1
3, 17, 599, 35279, 322559, 439084799, 293999475161295508340735999999
OFFSET
1,1
COMMENTS
The next term has 116 digits. - Harvey P. Dale, Feb 17 2015
MATHEMATICA
f[n_]:=n!-n; lst={}; Do[If[PrimeQ[f[n+1]-f[n]], AppendTo[lst, f[n+1]-f[n]]], {n, 0, 5!}]; lst (* Vladimir Joseph Stephan Orlovsky, Jun 27 2009 *)
Select[#[[2]]-#[[1]]-1&/@Partition[Range[100]!, 2, 1], PrimeQ] (* Harvey P. Dale, Feb 17 2015 *)
CROSSREFS
For more terms see A049433.
Sequence in context: A001601 A061119 A094133 * A126579 A309060 A270816
KEYWORD
nonn
STATUS
approved