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A273181
The F_4-Eulerian numbers.
2
1, 236, 678, 236, 1
OFFSET
0,2
COMMENTS
a(n) is the number of elements of the Weyl group F_4 that have a descent set of size n.
Sum_{n=0..4} a(n) = 1152, which is the order of the group F_4.
REFERENCES
T. K. Petersen, Eulerian Numbers, Birkhauser, 2015, Table 11.5.
CROSSREFS
KEYWORD
nonn,fini,full
AUTHOR
Tom Edgar, May 17 2016
STATUS
approved