OFFSET
1,2
COMMENTS
EXAMPLE
First few rows of the triangle:
1;
3, 1;
5, 7, 1;
8, 10, 13, 1;
12, 14, 17, 21, 1;
17, 19, 22, 26, 31, 1;
23, 25, 28, 32, 37, 43, 1;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Oct 15 2007
EXTENSIONS
Edited by N. J. A. Sloane, Nov 01 2009
STATUS
approved