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A013223
Expansion of e.g.f. arcsin(log(x+1) - arcsin(x)).
0
0, 0, -1, 1, -6, 15, -135, 600, -6580, 42805, -554085, 4837050, -72076950, 796427775, -13416518115, 180272874600, -3389491521000, 53781169937625, -1117482909042825, 20474457815886750, -466428359492228250
OFFSET
0,5
EXAMPLE
-1/2!*x^2 + 1/3!*x^3 - 6/4!*x^4 + 15/5!*x^5 ...
CROSSREFS
Sequence in context: A056317 A129421 A013227 * A219289 A199224 A013224
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 01 2018
STATUS
approved