A076100 Least common multiple of n numbers starting with n.

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

Offset

1,2

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Example

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

Mathematica

Table[ Apply[LCM, Table[i, {i, n, 2n - 1}]], {n, 1, 20}]
Table[LCM@@Range[n, 2n-1], {n, 20}] (* Harvey P. Dale, Sep 27 2025 *)

Prog

(PARI) a(n) = lcm(vector(n, k, n+k-1)); \\ Michel Marcus, Mar 18 2018

Crossrefs

Bisection of A003418.

Sequence in context: A230842 A353039 A000911 * A353040 A269760 A043033

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