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 A095198 #6 Dec 05 2013 19:56:51
%S A095198 1,2,6,30,21,132,3003,51051,285285,13399386,1983580599,308476470621,
%T A095198 4664762967711,48285399661224,1815318072406212,99924007282353507,
%U A095198 3738372398312278947,442424606197031564007,42728372978287991878884
%N A095198 a(1) = 1, a(n+1) = prime(n)*Digit reversal of a(n).
%t A095198 Transpose[NestList[{First[#]+1,Prime[First[#]]FromDigits[Reverse[ IntegerDigits[Last[#]]]]}&,{1,1},25]][[2]] (* _Harvey P. Dale_, Mar 02 2012 *)
%Y A095198 Cf. A095197.
%K A095198 base,nonn
%O A095198 1,2
%A A095198 _Amarnath Murthy_, Jun 05 2004
%E A095198 Corrected and extended by _Rick L. Shepherd_, Jun 07 2004