Sequence satisfies T^2(a)=a, where T is defined below.

Terms

a(0) =1a(1) =2a(2) =3a(3) =3a(4) =5a(5) =6a(6) =8a(7) =11a(8) =13a(9) =17a(10) =20a(11) =25a(12) =30a(13) =37a(14) =45a(15) =52a(16) =64a(17) =73a(18) =86a(19) =102a(20) =116a(21) =137a(22) =157a(23) =180a(24) =207a(25) =236a(26) =269a(27) =305a(28) =347a(29) =389