OFFSET
1,2
LINKS
EXAMPLE
1
2 3
33 34 35
19940 19941 19942 19943
204323 204324 204325 204326 204327
...
CROSSREFS
KEYWORD
AUTHOR
Amarnath Murthy, May 07 2003
EXTENSIONS
7th row added using A034173 by Michel Marcus, Dec 13 2015
STATUS
approved