E.g.f.: exp(-Sum_{n>=1} A000593(n) * x^n).

Terms

a(0) =1a(1) =-1a(2) =-1a(3) =-19a(4) =73a(5) =-401a(6) =5191a(7) =-29779a(8) =879089a(9) =-7232833a(10) =103048111a(11) =-1891058291a(12) =31696845049a(13) =-649348332049