Möbius transform of A003965.

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =4a(5) =2a(6) =7a(7) =4a(8) =6a(9) =4a(10) =12a(11) =4a(12) =20a(13) =7a(14) =8a(15) =8a(16) =33a(17) =6a(18) =54a(19) =8a(20) =14a(21) =12a(22) =88a(23) =8a(24) =20a(25) =20a(26) =18a(27) =14a(28) =143a(29) =8