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A012475
arctan(cos(x)*sin(x))=x-6/3!*x^3+120/5!*x^5-7056/7!*x^7+758400/9!*x^9...
0
1, -6, 120, -7056, 758400, -130918656, 33173038080, -11587651270656, 5337660866396160, -3134856182239789056, 2286367634020679024640, -2027369655249396662009856, 2147914157998443571728875520
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OFFSET
0,2
LINKS
Table of n, a(n) for n=0..12.
CROSSREFS
Sequence in context:
A012641
A012795
A054479
*
A053777
A023199
A355757
Adjacent sequences:
A012472
A012473
A012474
*
A012476
A012477
A012478
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved
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Last modified May 16 20:35 EDT 2024. Contains 372555 sequences. (Running on oeis4.)