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 A239459 #13 Sep 07 2020 18:19:55
%S A239459 11,82,273,644,1255,2166,3437,5128,7299,100010,133111,172812,219713,
%T A239459 274414,337515,409616,491317,583218,685919,800020,926121,1064822,
%U A239459 1216723,1382424,1562525,1757626,1968327,2195228,2438929,2700030,2979131,3276832,3593733
%N A239459 Concatenation of n^3 and n.
%C A239459 a(n) is divisible by n.
%H A239459 Vincenzo Librandi, <a href="/A239459/b239459.txt">Table of n, a(n) for n = 1..1000</a>
%e A239459 a(13) = 219713 because 2197 = 13^3 and 13 = 13^1.
%t A239459 Table[ToExpression[ToString[n^3]<>ToString[n]],{n,1,30}] (* _Vaclav Kotesovec_, Mar 24 2014 *)
%t A239459 Table[n^3*10^IntegerLength[n]+n,{n,40}] (* _Harvey P. Dale_, Sep 07 2020 *)
%o A239459 (PARI) vector(100, n, eval(Str(n^3, n)))
%Y A239459 Cf. A053061, A055436, A061086, A239460, A239461.
%Y A239459 Cf. A061087, A239462, A239463, A239464.
%K A239459 nonn,base
%O A239459 1,1
%A A239459 _Colin Barker_, Mar 19 2014