

A013217


E.g.f.: tanh(log(x+1)sin(x))=1/2!*x^2+3/3!*x^36/4!*x^4+23/5!*x^5...


0



0, 0, 1, 3, 6, 23, 90, 91, 2520, 37549, 461160, 5366339, 58528008, 607263295, 5930324400, 49004509553, 192095423520, 4873161825335, 189700932165696, 4680846631063441, 99367558621150840, 1935131558912511581
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

0,4


LINKS



MATHEMATICA

With[{nn=30}, CoefficientList[Series[Tanh[Log[x+1]Sin[x]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Jul 16 2013 *)


CROSSREFS



KEYWORD

sign


AUTHOR

Patrick Demichel (patrick.demichel(AT)hp.com)


EXTENSIONS

Corrected (first two terms prepended) and definition clarified by Harvey P. Dale, Jul 16 2013


STATUS

approved



