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Search: id:A012026
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A012026 tanh(sin(arctan(x)))=x-5/3!*x^3+121/5!*x^5-6677/7!*x^7+651985/9!*x^9... +0
1
1, -5, 121, -6677, 651985, -98741477, 21378584137, -6259615830197, 2380487154907681, -1140222272527932869, 671453734616884934041, -476714184862146843059285, 401522701697360654591942641 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Adjacent sequences: A012023 A012024 A012025 this_sequence A012027 A012028 A012029

Sequence in context: A028448 A108791 A012179 this_sequence A012190 A012077 A012046

KEYWORD

sign

AUTHOR

Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

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