OFFSET
1,2
REFERENCES
Archer, K., Gessel, I. M., Graves, C., & Liang, X. (2020). Counting acyclic and strong digraphs by descents. Discrete Mathematics, 343(11), 112041. See Table 3
LINKS
Kassie Archer, Ira M. Gessel, Christina Graves, and Xuming Liang, Counting acyclic and strong digraphs by descents, arXiv:1909.01550 [math.CO], 20 Mar 2020. See Table 3.
K. Archer, C. Graves, Enumerating acyclic digraphs by descents, arXiv:1709.00601 [math.CO], 2017.
EXAMPLE
1;
2 1;
8 11 5 1;
64 161 167 102 39 9 1;
1024 3927 6698 7185 5477 3107 1329 423 96 14 1;
...
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
R. J. Mathar, Mar 21 2019
STATUS
approved