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a(n) = (n+1)!/LCM{1,3,6,...,C(n+1,2)}.
1

%I #14 May 09 2024 04:34:08

%S 2,2,4,4,24,24,96,288,2880,2880,34560,34560,483840,7257600,58060800,

%T 58060800,1045094400,1045094400,20901888000,438939648000,

%U 9656672256000,9656672256000,231760134144000,1158800670720000,30128817438720000,271159356948480000

%N a(n) = (n+1)!/LCM{1,3,6,...,C(n+1,2)}.

%H Harvey P. Dale, <a href="/A025557/b025557.txt">Table of n, a(n) for n = 1..534</a>

%H <a href="/index/Lc#lcm">Index entries for sequences related to lcm's</a>

%t Table[(n+1)!/LCM@@Accumulate[Range[n]],{n,30}] (* _Harvey P. Dale_, May 09 2024 *)

%K nonn

%O 1,1

%A _Clark Kimberling_

%E More terms from _Sean A. Irvine_, Sep 06 2019