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 A259080 #17 Jun 19 2015 16:30:48
%S A259080 1001,2101,21301,222101,2304401,23553101,244153501,2520607101,
%T A259080 25937424601,267120945101
%N A259080 Expressed in base n, the number (n+1)^n.
%C A259080 a(12) cannot be represented in base 12 using only the digits 0, 1, ..., 9.
%e A259080 For n=2, (n+1)^n is 9 and 9 = 1001_2.
%t A259080 Table[FromDigits@ IntegerDigits[(n + 1)^n, n], {n, 2, 11}] (* _Michael De Vlieger_, Jun 19 2015 *)
%o A259080 (PARI) a(n) = subst(Pol(digits((n+1)^n, n)), x, 10); \\ _Michel Marcus_, Jun 18 2015
%K A259080 nonn,base
%O A259080 2,1
%A A259080 _Anders Wallberg_, Jun 18 2015