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 A145346 #2 Mar 30 2012 16:51:01 %S A145346 3,28,146,420,1260,2408,5460,9084,17010,24420,44968,57148,93912, %T A145346 123480,187240,222768,347463,391020,582540,674240,923076,1026168, %U A145346 1506960,1575100,2143050,2391480,3164112,3300780,4604040,4617760,6191568,6564096,8270262 %N A145346 A145312(n)/1440. %K A145346 nonn %O A145346 0,1 %A A145346 _N. J. A. Sloane_, Feb 28 2009