Dirichlet inverse of A342920.

Terms

a(0) =1a(1) =-1a(2) =-1a(3) =-1a(4) =-1a(5) =0a(6) =-1a(7) =-5a(8) =-11a(9) =0a(10) =-1a(11) =1a(12) =-1a(13) =0a(14) =-4a(15) =-1a(16) =-1a(17) =1a(18) =-1a(19) =1a(20) =-4a(21) =0a(22) =-1a(23) =-8a(24) =-49a(25) =0a(26) =7a(27) =1a(28) =-1a(29) =-48