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A108889 a(n) is n! divided by LCM of all composite numbers k such that n < k < prime(r) where prime(r-1)< n. 0

%I #7 Mar 07 2018 02:49:53

%S 1,2,6,24,120,720,5040,448,36288,3628800,39916800,479001600,

%T 6227020800,363242880,81729648000,20922789888000,355687428096000,

%U 6402373705728000,121645100408832000,5266021662720000,2322315553259520000

%N a(n) is n! divided by LCM of all composite numbers k such that n < k < prime(r) where prime(r-1)< n.

%C As every k divides n!, LCM of all k's divides n!.

%e a(8) = 8!/gcd(9, 10) = 40320/90 = 448.

%Y Cf. A109914.

%K nonn,less

%O 1,2

%A _Amarnath Murthy_, Jul 16 2005

%E Corrected and extended by _David Wasserman_, Mar 31 2008

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Last modified April 18 11:41 EDT 2024. Contains 371779 sequences. (Running on oeis4.)