OFFSET
1,2
EXAMPLE
The strict integer partitions of 6 are {(6), (5,1), (4,2), (3,2,1)} with multiset union {1,1,2,2,3,4,5,6}, which is row n = 6.
Triangle begins:
1
2
1 2 3
1 3 4
1 2 3 4 5
1 1 2 2 3 4 5 6
1 1 2 2 3 4 4 5 6 7
1 1 1 2 2 3 3 4 5 5 6 7 8
1 1 1 2 2 2 3 3 3 4 4 5 5 6 6 7 8 9
MATHEMATICA
Table[Sort[Join@@Select[IntegerPartitions[n], UnsameQ@@#&]], {n, 10}]
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Gus Wiseman, May 08 2019
STATUS
approved