OFFSET
0,11
COMMENTS
This is the essential triangle in the square array of the Andrews-Garvan-Liang paper, see chapter 7 and page 3 for a precise definition.
Apparently columns (their positive terms) converge to A000041.
LINKS
G. E. Andrews, The number of smallest parts in the partitions of n
G. E. Andrews, F. G. Garvan, and J. Liang, Combinatorial interpretation of congruences for the spt-function
Frank Garvan, Dyson's rank function and Andrews's SPT-function, slide 17.
EXAMPLE
Triangle begins:
1;
1, 0;
1, 1, 0;
1, 1, 1, 0;
2, 2, 1, 1, 0;
2, 2, 2, 1, 1, 0;
4, 4, 3, 2, 1, 1, 0;
5, 4, 4, 3, 2, 1, 1, 0;
7, 7, 6, 5, 3, 2, 1, 1, 0;
10,9, 8, 6, 5, 3, 2, 1, 1, 0;
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Omar E. Pol, Jan 10 2012
STATUS
approved