a(n) = A005941(n) - n.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =2a(7) =0a(8) =-2a(9) =0a(10) =6a(11) =0a(12) =20a(13) =4a(14) =-4a(15) =0a(16) =48a(17) =-4a(18) =110a(19) =0a(20) =-2a(21) =12a(22) =234a(23) =0a(24) =-12a(25) =40a(26) =-12a(27) =8a(28) =484a(29) =-8