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A001469
Genocchi numbers (of first kind); unsigned coefficients give expansion of tan(x/2).
(Formerly M3041 N1233)
+0
37
-1, 1, -3, 17, -155, 2073, -38227, 929569, -28820619, 1109652905, -51943281731, 2905151042481, -191329672483963, 14655626154768697, -1291885088448017715, 129848163681107301953, -14761446733784164001387
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 16 17:18 EST 2009. Contains 170825 sequences.
AT&T Labs Research
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