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Least common multiple of the first n terms of A002473 (7-smooth numbers).
1

%I #16 Sep 19 2024 11:59:55

%S 1,2,6,12,60,60,420,840,2520,2520,2520,2520,2520,5040,5040,5040,5040,

%T 5040,25200,75600,75600,75600,151200,151200,151200,151200,151200,

%U 151200,151200,1058400,1058400,1058400,1058400,1058400,1058400,2116800,2116800

%N Least common multiple of the first n terms of A002473 (7-smooth numbers).

%H David A. Corneth, <a href="/A085911/b085911.txt">Table of n, a(n) for n = 1..10000</a>

%e a(4) = 12 as the first four 7-smooth numbers are 1, 2, 3 and 4 and their lcm is lcm(1, 2, 3, 4) = 12. - _David A. Corneth_, Apr 02 2021

%Y Cf. A002473.

%K nonn

%O 1,2

%A _Amarnath Murthy_, Jul 09 2003

%E More terms from _David Wasserman_, Feb 11 2005

%E Offset changed to 1 by _David A. Corneth_, Apr 02 2021