OFFSET
0,2
COMMENTS
EXAMPLE
First few rows of the triangle:
1;
5, 4;
12, 5, 7;
22, 6, 8, 10;
35, 7, 9, 11, 13;
51, 8, 10, 12, 14, 16;
70, 9, 11, 13, 15, 17, 19;
92, 10, 12, 14, 16, 18, 20, 22;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Jul 22 2007
STATUS
approved