%I A009575
%S A009575 0,0,2,6,26,140,894,6594,55152,515808,5334480,60453360,745035840,
%T A009575 9921337920,141972324480,2172695011200,35410730342400,612356632473600,
%U A009575 11198955424204800,215960417122867200,4379675205233664000
%V A009575 0,0,2,-6,26,-140,894,-6594,55152,-515808,5334480,-60453360,745035840,
%W A009575 -9921337920,141972324480,-2172695011200,35410730342400,-612356632473600,
%X A009575 11198955424204800,-215960417122867200,4379675205233664000
%N A009575 Expansion of sinh(ln(1+x)).ln(1+x).
%C A009575 |a(n)| = number of cycles in all permutations of [n] with even number 
               of cycles. - Vladeta Jovovic (vladeta(AT)eunet.rs), Sep 06 2007
%t A009575 Sinh[ Log[ 1+x ] ]*Log[ 1+x ]
%Y A009575 Cf. A000254.
%Y A009575 Sequence in context: A030898 A002788 A134094 this_sequence A127116 A107404 
               A120574
%Y A009575 Adjacent sequences: A009572 A009573 A009574 this_sequence A009576 A009577 
               A009578
%K A009575 sign,easy
%O A009575 0,3
%A A009575 R. H. Hardin (rhhardin(AT)att.net)
%E A009575 Extended with signs Mar 15 1997 by Olivier Gerard.