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

Terms

a(0) =1a(1) =2a(2) =2a(3) =4a(4) =4a(5) =6a(6) =7a(7) =11a(8) =12a(9) =16a(10) =18a(11) =25a(12) =28a(13) =36a(14) =41a(15) =53a(16) =59a(17) =73a(18) =82a(19) =102a(20) =115a(21) =138a(22) =155a(23) =186a(24) =209a(25) =246a(26) =275a(27) =324a(28) =363a(29) =420