Search: id:A009424
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%I A009424
%S A009424 0,1,1,5,24,154,1170,10394,105392,1201524,15210180,211691380,
%T A009424 3212711040,52801793160,934299180360,17708685967400,357960437635200,
%U A009424 7686847410694800,174756587308650000,4193327411934706000
%V A009424 0,1,-1,5,-24,154,-1170,10394,-105392,1201524,-15210180,211691380,
%W A009424 -3212711040,52801793160,-934299180360,17708685967400,-357960437635200,
%X A009424 7686847410694800,-174756587308650000,4193327411934706000
%N A009424 Expansion of ln(1+x)/cos(ln(1+x)).
%t A009424 Log[ 1+x ]/Cos[ Log[ 1+x ] ]
%Y A009424 Sequence in context: A080996 A020055 A111766 this_sequence A009601 A009676 
               A027851
%Y A009424 Adjacent sequences: A009421 A009422 A009423 this_sequence A009425 A009426 
               A009427
%K A009424 sign,easy
%O A009424 0,4
%A A009424 R. H. Hardin (rhhardin(AT)att.net)
%E A009424 Extended with signs Mar 15 1997 by Olivier Gerard.

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