OFFSET
1,2
COMMENTS
Row sums give A016777.
FORMULA
EXAMPLE
First few rows of the triangle are:
1;
3, 1;
4, 2, 1;
5, 2, 2, 1;
6, 2, 2, 2, 1;
7, 2, 2, 2, 2, 1;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Jun 10 2007
EXTENSIONS
Definition corrected, a(36)=2 inserted and more terms from Georg Fischer, Oct 10 2021
More terms from Michel Marcus, Oct 11 2021
STATUS
approved