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 A110753 #12 Nov 21 2018 02:37:03
%S A110753 18,72,384,288,576,3072,1152,9216,7680,9216,6144,24576,2304,18432,
%T A110753 3145728,147456,4608,491520,288,147456,9437184,98304,4608,12582912,
%U A110753 589824,36864,1179648,589824,36864,201326592
%N A110753 a(n) is the number of divisors of the concatenation of 2178 with itself n times.
%C A110753 2178 has the property that any number of concatenations of it with itself and its digit reversal have the same set of distinct prime factors.
%e A110753 a(2) = tau(21782178) = 72.
%t A110753 k = 0; Do[k = (10^4 * k) + 2178; Print[DivisorSigma[0, k]], {n, 1, 30}] (* _Ryan Propper_, Aug 28 2005 *)
%t A110753 Table[DivisorSigma[0,FromDigits[PadRight[{},4n,{2,1,7,8}]]],{n,30}] (* _Harvey P. Dale_, Jun 23 2014 *)
%Y A110753 Cf. A110751, A110752.
%K A110753 base,nonn
%O A110753 1,1
%A A110753 _Amarnath Murthy_, Aug 11 2005
%E A110753 More terms from _Ryan Propper_, Aug 28 2005