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%I #5 May 18 2016 11:58:49
%S 1,2636,9126,2636,1
%N The H_4-Eulerian numbers.
%C a(n) is the number of elements of the Weyl group H_4 that have a descent set of size n.
%C Sum_{n=0..4} a(n) = 14400, which is the order of the group H_4.
%D T. K. Petersen, Eulerian Numbers, Birkhauser, 2015, Table 11.5.
%Y Cf. A008292, A060187, A066094, A273000, A273035, A273036, A273181, A273183.
%K nonn,fini,full
%O 0,2
%A _Tom Edgar_, May 17 2016
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