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A012555
sin(sinh(x)*arctan(x))=2/2!*x^2-4/4!*x^4-10/6!*x^6-1160/8!*x^8...
0
2, -4, -10, -1160, 25258, 861940, -503620962, 179232404208, -65782233424302, 27609266214439916, -13506425126580217786, 7702534973614205704808, -5093447847556265363925254, 3877832071517816281261654756
OFFSET
0,1
CROSSREFS
Sequence in context: A297364 A355203 A327059 * A012722 A012616 A012611
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved