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A012922 sec(arcsin(x)+sin(x))=1+4/2!*x^2+80/4!*x^4+4024/6!*x^6+380544/8!*x^8... 0
1, 4, 80, 4024, 380544, 57960864, 12957750912, 3995431992192, 1624807254577152, 842520079540277760, 542544550547724265472, 424772248087529271371776, 397354005571214204967354368 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
CROSSREFS
Sequence in context: A002436 A013031 A012923 * A013090 A012042 A013139
KEYWORD
nonn
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved

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Last modified June 6 19:24 EDT 2023. Contains 363150 sequences. (Running on oeis4.)