Position of n-th 2 in A030363.

Terms

a(0) =2a(1) =6a(2) =7a(3) =8a(4) =12a(5) =17a(6) =19a(7) =26a(8) =27a(9) =29a(10) =33a(11) =34a(12) =36a(13) =37a(14) =41a(15) =42a(16) =43a(17) =44a(18) =48a(19) =55a(20) =57a(21) =60a(22) =68a(23) =69a(24) =73a(25) =74a(26) =77a(27) =79a(28) =84a(29) =87