OFFSET
1,3
COMMENTS
EXAMPLE
Written as an irregular triangle:
0;
1;
2;
3;
4;
5;
6;
7;
8;
9;
10, 0;
11, 1;
12, 2;
13, 3, 0;
14, 4, 1;
15, 5, 2;
16, 6, 3;
17, 7, 4;
18, 8, 5;
19, 9, 6;
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Omar E. Pol, Jun 16 2012
STATUS
approved