%I #7 Jul 24 2018 19:20:36
%S 0,1,2,6,24,160,1120,9296,79744,791232,8303488,98662784,1234416128,
%T 17090231808,247660907520,3911062116352,64395491606528,
%U 1142963925405696,21081499860049920,415641154415091712
%N Expansion of e.g.f. sinh(arctanh(x) * exp(x)).
%e x + 2/2!*x^2 + 6/3!*x^3 + 24/4!*x^4 + 160/5!*x^5 ...
%K nonn
%O 0,3
%A Patrick Demichel (patrick.demichel(AT)hp.com)
%E a(0) inserted and title improved by _Sean A. Irvine_, Jul 24 2018
