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A013110
tanh(arcsinh(x)+arctan(x))=2*x-19/3!*x^3+785/5!*x^5-70705/7!*x^7...
0
2, -19, 785, -70705, 11020385, -2631928825, 892329853025, -407413940220625, 240968321541442625, -179211927264110235625, 163684517256281564050625, -180116677926822557970570625, 235018935742557547408645390625
OFFSET
0,1
CROSSREFS
Sequence in context: A012951 A012980 A323280 * A024228 A015191 A165937
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved