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A012426
arcsinh(arctan(x)*sin(x))=2/2!*x^2-12/4!*x^4+70/6!*x^6+2856/8!*x^8...
0
2, -12, 70, 2856, -164342, -26727140, 9513652174, -1509132606128, -24850989613038, 96289752279508804, -8229825010792301226, -30295913573130207257992, 26332910393982197524318746
OFFSET
0,1
CROSSREFS
Sequence in context: A001251 A143357 A357831 * A012421 A012381 A012376
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved