%I A009372
%S A009372 0,1,1,7,20,145,781,6711,55040,578465,6372241,81400295,1118247140,
%T A009372 17017477425,278763221101,4944906503959,93847119338720,
%U A009372 1903841305391425,41033336868850561,937270802152757703
%V A009372 0,1,-1,7,-20,145,-781,6711,-55040,578465,-6372241,81400295,-1118247140,
%W A009372 17017477425,-278763221101,4944906503959,-93847119338720,
%X A009372 1903841305391425,-41033336868850561,937270802152757703
%N A009372 Expansion of ln(1+tan(x))/cos(x).
%t A009372 Log[ 1+Tan[ x ]]/Cos[ x ]
%Y A009372 Sequence in context: A048755 A055267 A009370 this_sequence A051102 A158280 
               A097182
%Y A009372 Adjacent sequences: A009369 A009370 A009371 this_sequence A009373 A009374 
               A009375
%K A009372 sign,easy
%O A009372 0,4
%A A009372 R. H. Hardin (rhhardin(AT)att.net)
%E A009372 Extended with signs Mar 15 1997 by Olivier Gerard.