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A062549 a(n) is the smallest number m such that m! is divisible by the left factorial !n (A003422). 0
1, 2, 4, 5, 17, 11, 23, 2957, 23117, 204557, 2018957, 37313, 296797, 39229, 622561, 1832213, 87616043, 2462521469, 17209100320681, 5207129, 2558906768309, 135954526571, 85412472868721, 3075880875779 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
Conjecture: a(n) is the largest prime factor of !n for all n > 2. - Sean A. Irvine, Apr 01 2023
LINKS
EXAMPLE
!4 = 1+1+2+6+24 = 34. The smallest value of n such that n! is divisible by 34 is 17!, so a(4)=17
CROSSREFS
Sequence in context: A250545 A070917 A038757 * A169602 A092051 A065063
KEYWORD
nonn
AUTHOR
Jonathan Ayres (jonathan.ayres(AT)btinternet.com), Nov 22 2001
STATUS
approved

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Last modified May 23 14:50 EDT 2024. Contains 372763 sequences. (Running on oeis4.)