A103892 - OEIS

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A103892

Greatest prime factor of prime(n)! / prime(n)# + 1.

2, 2, 5, 5, 1571, 2693, 15427, 27749, 4154449757, 151585363459003, 73899633146196133, 24770877398207, 1429176066859677377, 7748318379505746557, 21662673895172922098651

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Amiram Eldar, Table of n, a(n) for n = 1..30

Reinhard Zumkeller, p(n)!/p(n )#+1

FORMULA

a(n) = A006530(A103890(n)).

CROSSREFS

Cf. A006530, A103857, A103890, A103891.

Sequence in context: A326512 A325983 A063501 * A000403 A068763 A176989

Adjacent sequences: A103889 A103890 A103891 * A103893 A103894 A103895

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Feb 20 2005

STATUS

approved