Position of n-th 0 in A030413.

Terms

a(0) =7a(1) =14a(2) =25a(3) =26a(4) =39a(5) =48a(6) =54a(7) =57a(8) =59a(9) =60a(10) =76a(11) =77a(12) =80a(13) =83a(14) =93a(15) =99a(16) =101a(17) =102a(18) =104a(19) =108a(20) =110a(21) =117a(22) =119a(23) =127a(24) =128a(25) =131a(26) =138a(27) =145a(28) =151a(29) =154