OFFSET
1,3
EXAMPLE
0
1 2
5 4 3
13 12 9 8
23 22 21 20 10
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 08 2003
EXTENSIONS
Extended and a(1) corrected by Max Alekseyev, Nov 04 2015
STATUS
approved