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A224468 Primes of the form 7^n - n. 3
47, 117643, 5764793, 13841287189, 15286700631942576193765185769276826357, 36703368217294125441230211032033660188753 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
The next term is too big to display. Corresponding n are given in A224470.
LINKS
MATHEMATICA
Select[Table[7^k - k, {k, 2, 1000, 2}], PrimeQ] (* Bruno Berselli, Apr 07 2013 *)
CROSSREFS
Sequence in context: A210818 A093940 A237512 * A353697 A328364 A087533
KEYWORD
nonn
AUTHOR
Alex Ratushnyak, Apr 06 2013
STATUS
approved

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Last modified May 19 11:03 EDT 2024. Contains 372683 sequences. (Running on oeis4.)