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A010789
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arcsin(log(cos(x))) = -(1/2!)*x^2 - (2/4!)*x^4 - (31/6!)*x^6 - (692/8!)*x^8 + ...
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0
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0, 1, 2, 31, 692, 32821, 2182982, 220761451, 29587628072, 5271224958121, 1181874030353162, 329170919623534231, 110868894348113861852, 44548277847630426340381, 21016319125189602127144142, 11511508896932068502821046371, 7241614305987283988489059076432
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OFFSET
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0,3
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LINKS
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FORMULA
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a(n) = -1 * (2n)! [x^(2n)] arcsin(log(cos(x))). - Alois P. Heinz, Jun 11 2018
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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Patrick Demichel (patrick.demichel(AT)hp.com)
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EXTENSIONS
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STATUS
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approved
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