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A012412
cos(arctan(x)*exp(x))=1-1/2!*x^2-6/3!*x^3-15/4!*x^4+20/5!*x^5...
0
1, 0, -1, -6, -15, 20, 255, 70, -3423, 46728, 501375, -3625358, -60112239, 420430556, 9211149311, -79037179650, -2033765765567, 18361020368016, 572833991092479, -5418169914165654, -201869115241158607
OFFSET
0,4
CROSSREFS
Sequence in context: A343893 A056901 A208542 * A009092 A330205 A015793
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved