

A076100


Least common multiple of n numbers starting with n.


4



1, 6, 60, 420, 2520, 27720, 360360, 360360, 12252240, 232792560, 232792560, 5354228880, 26771144400, 80313433200, 2329089562800, 72201776446800, 144403552893600, 144403552893600, 5342931457063200, 5342931457063200
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OFFSET

1,2


LINKS

Table of n, a(n) for n=1..20.


EXAMPLE

a(4) = lcm(4,5,6,7) = 420.


MATHEMATICA

Table[ Apply[LCM, Table[i, {i, n, 2n  1}]], {n, 1, 20}]


PROG

(PARI) a(n) = lcm(vector(n, k, n+k1)); \\ Michel Marcus, Mar 18 2018


CROSSREFS

Bisection of A003418.
Sequence in context: A259817 A230842 A000911 * A269760 A043033 A179711
Adjacent sequences: A076097 A076098 A076099 * A076101 A076102 A076103


KEYWORD

nonn


AUTHOR

Amarnath Murthy, Oct 08 2002


EXTENSIONS

Edited and extended by Robert G. Wilson v, Oct 10 2002


STATUS

approved



