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A013276 Expansion of e.g.f. arcsinh(log(x+1) - arcsinh(x)). 0
0, 0, -1, 3, -6, 15, -105, 630, -1260, -6615, -12285, 519750, 6548850, -111486375, -1379863485, 47789141400, -560415655800, 8675814972825, -266366151876825, 5553256188630150, -63668362865357250 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,4
LINKS
EXAMPLE
-(1/2!)*x^2 + (3/3!)*x^3 - (6/4!)*x^4 + (15/5!)*x^5 - ...
PROG
(PARI) x = 'x + O('x^30); concat([0, 0], Vec(serlaplace(asinh(log(x+1) - asinh(x))))) \\ Michel Marcus, Aug 03 2018
CROSSREFS
Sequence in context: A144549 A280992 A013270 * A110809 A013275 A013271
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
a(0)=a(1)=0 inserted and title improved by Sean A. Irvine, Aug 02 2018
STATUS
approved

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Last modified July 22 19:00 EDT 2024. Contains 374540 sequences. (Running on oeis4.)