Numbers n such that pi(2n) divides n.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =48a(5) =50a(6) =60a(7) =504a(8) =540a(9) =546a(10) =558a(11) =561a(12) =564a(13) =567a(14) =4204a(15) =4212a(16) =4220a(17) =4228a(18) =4232a(19) =4236a(20) =32270a(21) =32290a(22) =32305a(23) =32310a(24) =32325a(25) =32345a(26) =32350a(27) =32355a(28) =32360a(29) =240426