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A092925 Smallest prime of the form n(n-1)(n-2)...(n-k)-1, or 0 if no such prime exists. 5
2, 3, 19, 5, 41, 7, 71, 89, 109, 11, 17159, 13, 2729, 239, 271, 17, 5813, 19, 419, 461, 72681839, 23, 599, 19275223967999, 701, 11793599, 811, 29, 929, 31, 415017197290314178559999, 968330879, 1659404761645592211554303999999 (list; graph; refs; listen; history; text; internal format)
OFFSET
3,1
COMMENTS
Conjecture: No term is zero.
LINKS
Charles R Greathouse IV, Table of n, a(n) for n = 3..899
EXAMPLE
a(13) = 13*12*11*10-1 = 17159, as 13-1,13*12-1, 13*12*11-1, are all composite.
CROSSREFS
Sequence in context: A292991 A139319 A269251 * A082012 A059675 A128353
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Mar 18 2004
EXTENSIONS
More terms from Ray Chandler, Mar 23 2004
a(900) has 1576 digits and is not included in the b-file because of its size. - Charles R Greathouse IV, Feb 15 2011
STATUS
approved

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Last modified July 14 13:51 EDT 2024. Contains 374318 sequences. (Running on oeis4.)