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A187604
Primes of the form n^nn!+n+1.
0
2, 5, 3011, 45943
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OFFSET
1,1
COMMENTS
The next terms are too large to be displayed:
a(5)= 1158^11581158!+1158+1 (n=1158), which has 3548 digits.
a(6)= 14115^1411514115!+14115+1 (n=14115), which has 58573 digits.
No other term has been found for n<30000.
LINKS
Table of n, a(n) for n=1..4.
MATHEMATICA
Do[p=n^nn!+n+1; If[PrimeQ[p], Print[p]], {n, 200}]
CROSSREFS
Sequence in context:
A215436
A082973
A306747
*
A082815
A115893
A323338
Adjacent sequences:
A187601
A187602
A187603
*
A187605
A187606
A187607
KEYWORD
hard
,
nonn
AUTHOR
Marco Ripà
, Mar 11 2011
EXTENSIONS
a(5) and a(6) found by
Matevz Markovic
, Mar 03 2014
STATUS
approved
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Last modified May 29 00:29 EDT 2024. Contains 372921 sequences. (Running on oeis4.)