Card on top of deck at n-th stage of R. K. Guy's shuffling problem.

Terms

a(0) =1a(1) =2a(2) =3a(3) =1a(4) =6a(5) =5a(6) =9a(7) =1a(8) =4a(9) =2a(10) =16a(11) =10a(12) =12a(13) =14a(14) =23a(15) =16a(16) =18a(17) =20a(18) =17a(19) =27a(20) =30a(21) =33a(22) =38a(23) =10a(24) =14a(25) =37a(26) =32a(27) =6a(28) =11a(29) =19