Position of n-th 8 in A031076.

Terms

a(0) =8a(1) =26a(2) =44a(3) =62a(4) =80a(5) =98a(6) =116a(7) =134a(8) =135a(9) =137a(10) =139a(11) =141a(12) =143a(13) =145a(14) =147a(15) =149a(16) =151a(17) =152a(18) =179a(19) =206a(20) =233a(21) =260a(22) =287a(23) =314a(24) =341a(25) =368a(26) =370a(27) =373a(28) =376a(29) =379