Position of n-th 0 in A031269.

Terms

a(0) =5a(1) =17a(2) =22a(3) =30a(4) =31a(5) =36a(6) =48a(7) =59a(8) =61a(9) =63a(10) =71a(11) =79a(12) =87a(13) =93a(14) =94a(15) =96a(16) =97a(17) =103a(18) =115a(19) =129a(20) =132a(21) =139a(22) =143a(23) =145a(24) =146a(25) =150a(26) =154a(27) =161a(28) =162a(29) =167