Position of n-th 0 in A031035.

Terms

a(0) =9a(1) =25a(2) =41a(3) =57a(4) =73a(5) =89a(6) =105a(7) =121a(8) =122a(9) =124a(10) =127a(11) =130a(12) =133a(13) =136a(14) =139a(15) =142a(16) =146a(17) =170a(18) =194a(19) =218a(20) =242a(21) =266a(22) =290a(23) =313a(24) =314a(25) =316a(26) =319a(27) =322a(28) =325a(29) =328