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A012516
Expansion of e.g.f. arctanh(sinh(x) * log(x+1)).
1
0, 0, 2, -3, 12, -40, 430, -3591, 37464, -373752, 4749658, -65476675, 1030634660, -17005495728, 307003733062, -5926728736215, 123925742441648, -2752109508497296, 65023509028085682, -1622290259238643683
OFFSET
0,3
LINKS
EXAMPLE
2/2!*x^2 - 3/3!*x^3 + 12/4!*x^4 - 40/5!*x^5 ...
MAPLE
seq(coeff(series(factorial(n)*arctanh(sinh(x)*log(x+1)), x, n+1), x, n), n=0..20); # Muniru A Asiru, Jul 19 2018
CROSSREFS
Sequence in context: A012309 A012305 A012512 * A012306 A012312 A371877
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
EXTENSIONS
a(0) and a(1) inserted and title improved by Sean A. Irvine, Jul 19 2018
STATUS
approved