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A012786
arctan(sec(x)*arcsin(x))=x+2/3!*x^3-12/5!*x^5-432/7!*x^7+10000/9!*x^9...
0
1, 2, -12, -432, 10000, 1500512, -18269760, -16350361856, 922523568384, 990634832194048, 92553699220882432, -44373953423964778496, 9057208032779104423936, 25540436414796388855898112
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OFFSET
0,2
LINKS
Table of n, a(n) for n=0..13.
CROSSREFS
Sequence in context:
A012383
A012751
A012428
*
A168504
A062738
A350790
Adjacent sequences:
A012783
A012784
A012785
*
A012787
A012788
A012789
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved
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Last modified August 29 13:55 EDT 2024. Contains 375517 sequences. (Running on oeis4.)
