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A103319
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Primes of the form p! + 1 where p is prime.
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2
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3, 7, 39916801, 13763753091226345046315979581580902400000001, 33452526613163807108170062053440751665152000000001, 4470115461512684340891257138125051110076800700282905015819080092370422104067183317016903680000000000000001
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| The values of p are 2, 3, 11, 37, 41, 73 which is A093804 (with a different definition). Subsequence of A088332 (primes of the form n! + 1).
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REFERENCES
| R. K. Guy, Unsolved Problems in Number Theory, Section A2.
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LINKS
| Eric Weisstein's World of Mathematics, Factorial Prime
Index entries for sequences related to factorial numbers.
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EXAMPLE
| 2 and 2! + 1 = 3 are prime, so 3 is a member.
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CROSSREFS
| Cf. A093804, A002981, A088332, A103318.
Sequence in context: A137029 A174307 A137125 * A153021 A155979 A120669
Adjacent sequences: A103316 A103317 A103318 * A103320 A103321 A103322
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KEYWORD
| hard,nonn
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AUTHOR
| Jonathan Sondow (jsondow(AT)alumni.princeton.edu), Jan 31 2005
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