Expansion of 1/(1 - x*Product_{k>=1} 1/(1 + k*x^k)).

Terms

a(0) =1a(1) =1a(2) =0a(3) =-2a(4) =-5a(5) =-3a(6) =5a(7) =20a(8) =27a(9) =17a(10) =-53a(11) =-152a(12) =-192a(13) =31a(14) =576a(15) =1110a(16) =694a(17) =-1297a(18) =-4519a(19) =-6160a(20) =-1107a(21) =13665a(22) =31914a(23) =30643a(24) =-19339a(25) =-119260a(26) =-196142a(27) =-103318a(28) =289543a(29) =859631