Position of n-th 2 in A030567.

Terms

a(0) =2a(1) =10a(2) =19a(3) =21a(4) =22a(5) =23a(6) =25a(7) =27a(8) =29a(9) =34a(10) =46a(11) =58a(12) =72a(13) =90a(14) =103a(15) =106a(16) =108a(17) =109a(18) =112a(19) =115a(20) =118a(21) =126a(22) =144a(23) =162a(24) =176a(25) =179a(26) =180a(27) =182a(28) =185a(29) =188