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%I #9 Jul 27 2018 04:35:59
%S 0,1,-1,6,-18,143,-915,9730,-100940,1376357,-19680165,332019710,
%T -6000731022,121502892067,-2640899177735,62588297762666,
%U -1585329875795640,43101529687518377,-1245060181757058633
%N Expansion of e.g.f. arcsin(sec(x) * log(x+1)).
%e x - 1/2!*x^2 + 6/3!*x^3 - 18/4!*x^4 + 143/5!*x^5 ...
%o (PARI) x = 'x + O('x^30); concat(0, Vec(serlaplace(asin(log(x+1)/cos(x))))) \\ _Michel Marcus_, Jul 27 2018
%K sign
%O 0,4
%A Patrick Demichel (patrick.demichel(AT)hp.com)
%E a(0) inserted and title improved by _Sean A. Irvine_, Jul 24 2018
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