

A009530


Expansion of e.g.f. sin(tanh(x)/cos(x)).


2



1, 0, 12, 336, 2096, 1043328, 29488704, 8894706432, 389860902656, 170568226222080, 6327905330549760, 6080018829202427904, 242897035394043301888, 323994054628796940582912, 123697309877515731773669376, 13142696592417683099946516480
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