OFFSET
1,2
EXAMPLE
The triangle starts:
1
2 11
3 111 10101
4 22 121 202
5 131 212 10301 11111
6 33 141 222 303 1221
...
CROSSREFS
KEYWORD
AUTHOR
Amarnath Murthy, Apr 12 2003
EXTENSIONS
Edited and corrected by Franklin T. Adams-Watters, Apr 26 2006
STATUS
approved