OFFSET
0,5
LINKS
Marcel K. Goh and Jonah Saks, Alternating-sum statistics for certain sets of integers, arXiv:2206.12535 [math.CO], 2022.
EXAMPLE
Triangle T(n,k) begins:
n/k 0 1 2 3 4 5 6
0 1
1 1 1
2 1 2
3 1 3
4 1 4 1
5 1 5 1
6 1 6 4 1
7 1 7 4 1
8 1 8 7 4 1
9 1 9 9 5 1
10 1 10 14 11 5 1
11 1 11 14 11 5 1
12 1 12 21 24 16 6 1
...
For n=8 and k=3 the T(8,3)=4 sets are {2,4,6}, {2,4,8}, {2,6,8}, and {4,6,8}.
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Marcel K. Goh, Feb 01 2023
STATUS
approved