0,4
(PARI) a(n)=polcoeff(exp(atan(x))/(1+x), n)*n! [From Jaume Oliver Lafont (joliverlafont(AT)gmail.com), Oct 24 2009]
Sequence in context: A149164 A073414 A085110 this_sequence A041229 A042887 A053908
Adjacent sequences: A013456 A013457 A013458 this_sequence A013460 A013461 A013462
sign
Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)
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