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A000364 Euler (or secant or "Zig") numbers: expansion of sec x.
(Formerly M4019 N1667)
+0
93
1, 1, 5, 61, 1385, 50521, 2702765, 199360981, 19391512145, 2404879675441, 370371188237525, 69348874393137901, 15514534163557086905, 4087072509293123892361, 1252259641403629865468285, 441543893249023104553682821, 177519391579539289436664789665, 80723299235887898062168247453281 (list; graph; listen)
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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