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A056111 Highest proper factor of n!+1. 2
1, 1, 1, 1, 5, 11, 103, 71, 661, 19099, 329891, 1, 36846277, 75024347, 3790360487, 22163972339, 1230752346353, 538105034941, 336967037143579, 1713311273363831, 117876683047, 1188161445853707907 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,5

LINKS

Table of n, a(n) for n=0..21.

Hisanori Mishima, Factorizations of many number sequences

Hisanori Mishima, Factorizations of many number sequences

R. G. Wilson v, Explicit factorizations

FORMULA

a(n) = A038507(n)/A051301(n)

MATHEMATICA

a[n_] := Divisors[n!+1][[ -2]]

CROSSREFS

Cf. A002583, A038507, A051301, A056110.

Corrected and extended by Dean Hickerson, Aug 30, 2001

Sequence in context: A030085 A022006 A201074 * A090160 A062652 A075706

Adjacent sequences:  A056108 A056109 A056110 * A056112 A056113 A056114

KEYWORD

nonn

AUTHOR

Henry Bottomley, Jun 12 2000

STATUS

approved

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Last modified July 23 13:49 EDT 2019. Contains 325254 sequences. (Running on oeis4.)