a(n) = floor((concatenation of next (n+1) numbers) / (concatenation of next n numbers)).

Terms

a(0) =23a(1) =19a(2) =173a(3) =14093a(4) =145a(5) =137a(6) =131a(7) =127a(8) =124a(9) =121a(10) =119a(11) =117a(12) =116453592a(13) =11416794012a(14) =1141a(15) =1132a(16) =1124a(17) =1116a(18) =1110a(19) =1104a(20) =1099a(21) =1094a(22) =1090a(23) =1086a(24) =1083a(25) =1079a(26) =1076a(27) =1073a(28) =1071a(29) =1068