Search: id:A101927
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%I A101927
%S A101927 1,2,20,520,26000,2132000,260104000,44217680000,9993195680000,
%T A101927 2898026747200000,1049085682486400000,463695871658988800000,
%U A101927 245758811979264064000000,153845016299019304064000000
%V A101927 1,-2,20,-520,26000,-2132000,260104000,-44217680000,9993195680000,-2898026747200000,
%W A101927 1049085682486400000,-463695871658988800000,245758811979264064000000,
%X A101927 -153845016299019304064000000
%N A101927 Expansion of sin(asinh(x)) = cos(acosh(x)).
%C A101927 Absolute values are expansion of sinh(asin(x)).
%e A101927 sin(asinh(x)) = x - 2x^3/3! + 20x^5/5! - 520x^7/7! + 26000x^9/9! -..
%Y A101927 Bisection of A006228.
%Y A101927 Sequence in context: A103353 A009344 A009699 this_sequence A157317 A009399 
               A009182
%Y A101927 Adjacent sequences: A101924 A101925 A101926 this_sequence A101928 A101929 
               A101930
%K A101927 sign
%O A101927 1,2
%A A101927 Ralf Stephan, Dec 28 2004

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