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%I #6 Feb 13 2022 12:32:49
%S 1,0,0,0,12,-60,450,-2940,30800,-336672,4362120,-57707760,847204776,
%T -13292039904,228041125312,-4172767915680,81658781501440,
%U -1692115320051584,37160192133050304,-860809698597753216
%N Expansion of e.g.f.: sec(sinh(x)*log(x+1))=1+12/4!*x^4-60/5!*x^5+450/6!*x^6-2940/7!*x^7...
%t With[{nn=20},CoefficientList[Series[Sec[Sinh[x]Log[x+1]],{x,0,nn}],x] Range[0,nn]!] (* _Harvey P. Dale_, Feb 13 2022 *)
%K sign
%O 0,5
%A Patrick Demichel (patrick.demichel(AT)hp.com)
%E Definition clarified by _Harvey P. Dale_, Feb 13 2022