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

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =6a(5) =9a(6) =11a(7) =16a(8) =19a(9) =26a(10) =31a(11) =40a(12) =48a(13) =60a(14) =70a(15) =87a(16) =102a(17) =123a(18) =143a(19) =171a(20) =199a(21) =233a(22) =269a(23) =314a(24) =360a(25) =416a(26) =476a(27) =545a(28) =621a(29) =708