OFFSET
0,9
COMMENTS
Also, the number of pure 2-complexes on m nodes with n multiple 2-simplexes.
LINKS
StackExchange, How many arrays with crossed cells, order of rows/columns irrelevant, Dec 13 2013
EXAMPLE
Array begins:
========================================================
n\m| 3 4 5 6 7 8 9 10 11
---+----------------------------------------------------
0 | 1 1 1 1 1 1 1 1 1 ...
1 | 1 1 1 1 1 1 1 1 1 ...
2 | 1 2 3 4 4 4 4 4 4 ...
3 | 1 3 7 11 14 15 16 16 16 ...
4 | 1 5 17 40 62 78 87 91 92 ...
5 | 1 6 35 122 272 427 544 606 635 ...
6 | 1 9 76 410 1307 2754 4251 5343 5939 ...
7 | 1 11 149 1270 6178 18247 36455 54621 67609 ...
8 | 1 15 291 3888 28687 122038 327774 616020 891831 ...
...
PROG
(PARI) \\ See A304942 for Blocks
for(n=1, 8, for(m=3, 11, print1(Blocks(n, m, 3), ", ")); print)
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Andrew Howroyd, May 24 2018
STATUS
approved