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A064295 Numbers n such that every (prime) factor of n!+1 is one more than a multiple of n. 2
1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 25, 27, 28, 37, 41, 46, 73, 77 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Complement of A064164, superset of A002981. 109 is the first number whose status is unknown.

LINKS

Table of n, a(n) for n=1..18.

H. Mishima, Factors of N!+1

EXAMPLE

46 is in the list because 46!+1 = 47 * 268662306503771535067 * 435777793891607546778854755077304349 and all of those factors are = 1 mod 46.

CROSSREFS

Cf. A002981, A064164.

Sequence in context: A173919 A205666 A245809 * A001751 A191927 A116000

Adjacent sequences:  A064292 A064293 A064294 * A064296 A064297 A064298

KEYWORD

nonn

AUTHOR

Don Reble (djr(AT)nk.ca), Sep 25 2001

STATUS

approved

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Last modified June 28 20:31 EDT 2017. Contains 288840 sequences.