OFFSET
1,3
EXAMPLE
Three of the T(4,3) = 463 subgraphs of the 4 X 3 grid with no leaf vertices are
+ +---+ + + + + +---+
| | | |
+---+---+ +---+---+ + +---+
| | , | | |, and .
+---+ + + +---+ +---+ +
| | | | | |
+---+ + +---+ + +---+ +
Table begins:
n\k| 1 2 3 4 5 6
---+---------------------------------------------------
1 | 1
2 | 1 2
3 | 1 5 43
4 | 1 15 463 16372
5 | 1 50 5193 583199 65485654
6 | 1 175 58653 20788249 7354266811 2602065897364
CROSSREFS
KEYWORD
AUTHOR
Peter Kagey, Oct 05 2018
STATUS
approved