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

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =3a(6) =3a(7) =4a(8) =5a(9) =6a(10) =7a(11) =9a(12) =10a(13) =11a(14) =13a(15) =16a(16) =18a(17) =21a(18) =23a(19) =27a(20) =31a(21) =36a(22) =39a(23) =45a(24) =50a(25) =56a(26) =63a(27) =71a(28) =78a(29) =87