Position of n-th 0 in A030324.

Terms

a(0) =3a(1) =7a(2) =10a(3) =11a(4) =12a(5) =15a(6) =18a(7) =20a(8) =23a(9) =24a(10) =25a(11) =27a(12) =30a(13) =35a(14) =38a(15) =39a(16) =42a(17) =43a(18) =45a(19) =46a(20) =47a(21) =48a(22) =52a(23) =54a(24) =55a(25) =58a(26) =63a(27) =64a(28) =67a(29) =68