OFFSET
1,2
EXAMPLE
First few rows of the triangle are:
1;
3, 0;
4, 1, 0;
7, 0, 1, 0;
6, 1, 1, 1, 0;
12, 2, 0, 0, 1, 0;
8, 1, 1, 1, 1, 1, 0;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Jan 12 2007
EXTENSIONS
a(17) = 2 inserted and more terms from Georg Fischer, May 29 2023
STATUS
approved