|
| |
|
|
A061431
|
|
a(n) = LCM of the n consecutive numbers n(n-1)/2 + 1 ... n(n+1)/2.
|
|
6
|
|
|
|
1, 6, 60, 2520, 60060, 1627920, 124324200, 1694579040, 446626220040, 73706596563600, 177223661334720, 171986625946535400, 3290057629552053360
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,2
|
|
|
LINKS
|
Table of n, a(n) for n=1..13.
|
|
|
EXAMPLE
|
a(1) = 1, a(2) = LCM(2,3) = 6, a(3) = LCM(4,5,6) = 60, etc.
|
|
|
CROSSREFS
|
Sequence in context: A003267 A010574 A082681 * A202620 A075069 A077682
Adjacent sequences: A061428 A061429 A061430 * A061432 A061433 A061434
|
|
|
KEYWORD
|
nonn,easy
|
|
|
AUTHOR
|
Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 03 2001
|
|
|
EXTENSIONS
|
More terms from John W. Layman, Oct 16 2001
|
|
|
STATUS
|
approved
|
| |
|
|