Numbers k for which phi(k) + anti-phi(k) = k.

Terms

a(0) =2a(1) =3a(2) =4a(3) =5a(4) =6a(5) =7a(6) =8a(7) =12a(8) =15a(9) =27a(10) =30a(11) =40a(12) =44a(13) =57a(14) =117a(15) =128a(16) =171a(17) =236a(18) =399a(19) =408a(20) =510a(21) =1623a(22) =3597a(23) =3915a(24) =4616a(25) =4684a(26) =7335a(27) =10197a(28) =10768a(29) =14144