OFFSET
1,2
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+k-1)); \\ Michel Marcus, Mar 18 2018
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Oct 08 2002
EXTENSIONS
Edited and extended by Robert G. Wilson v, Oct 10 2002
STATUS
approved