Convolution inverse of A058537.

Terms

a(0) =1a(1) =-7a(2) =41a(3) =-253a(4) =1555a(5) =-9532a(6) =58463a(7) =-358600a(8) =2199546a(9) =-13491360a(10) =82752059a(11) =-507576937a(12) =3113328401a(13) =-19096245457a(14) =117130782240a(15) =-718445946527