Position of n-th 0 in A030567.

Terms

a(0) =0a(1) =6a(2) =18a(3) =30a(4) =42a(5) =54a(6) =66a(7) =67a(8) =70a(9) =73a(10) =76a(11) =79a(12) =82a(13) =84a(14) =102a(15) =120a(16) =138a(17) =156a(18) =174a(19) =175a(20) =178a(21) =181a(22) =184a(23) =187a(24) =190a(25) =192a(26) =210a(27) =228a(28) =246a(29) =264