Position of n-th 6 in A031076.

Terms

a(0) =6a(1) =22a(2) =40a(3) =58a(4) =76a(5) =94a(6) =99a(7) =101a(8) =103a(9) =105a(10) =107a(11) =109a(12) =111a(13) =112a(14) =113a(15) =115a(16) =130a(17) =148a(18) =173a(19) =200a(20) =227a(21) =254a(22) =281a(23) =308a(24) =316a(25) =319a(26) =322a(27) =325a(28) =328a(29) =331