A062549 a(n) is the smallest number m such that m! is divisible by the left factorial !n (A003422).

1, 2, 4, 5, 17, 11, 23, 2957, 23117, 204557, 2018957, 37313, 296797, 39229, 622561, 1832213, 87616043, 2462521469, 17209100320681, 5207129, 2558906768309, 135954526571, 85412472868721, 3075880875779

Offset: 0

Author

Jonathan Ayres (jonathan.ayres(AT)btinternet.com), Nov 22 2001

Keywords

• nonn

Comments

Conjecture: a(n) is the largest prime factor of !n for all n > 2. - Sean A. Irvine, Apr 01 2023

Examples

			!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