This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A078192 #10 Jun 20 2025 16:43:57
%S A078192 1,10,107,1080,10864,109053,1093474,10956790,109739369,1098765432,
%T A078192 100998877665,10092582304526,1009316229819563,100937222213403880,
%U A078192 10094208074065843621,1009463320069436728395,100950083124771234567901,10095341745173395054869684
%N A078192 a(n) = floor(concatenation of n down to 1 divided by n).
%F A078192 a(n) = floor(A000422(n) / n). - _Sean A. Irvine_, Jun 20 2025
%e A078192 a(6) = floor(654321/6) = 109053.
%p A078192 a:= n-> floor(parse(cat(1+n-i$i=1..n))/n):
%p A078192 seq(a(n), n=1..19); # _Alois P. Heinz_, Jun 20 2025
%t A078192 Table[Floor[FromDigits[Flatten[IntegerDigits/@Reverse[Range[n]]]]/n],{n,20}] (* _Harvey P. Dale_, Jul 22 2012 *)
%Y A078192 Cf. A000422, A077147.
%K A078192 base,nonn
%O A078192 1,2
%A A078192 _Amarnath Murthy_, Nov 21 2002
%E A078192 More terms from _Jon E. Schoenfield_, May 08 2010