OFFSET
1,2
COMMENTS
|a(n)-a(n-1)| = n-1 for all integers >= 2.
LINKS
Ray Chandler, Table of n, a(n) for n=1..90
CROSSREFS
KEYWORD
nonn
AUTHOR
Leroy Quet, Apr 29 2008
EXTENSIONS
a(10)-a(90) from Ray Chandler, Jul 08 2009
STATUS
approved