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 A117510 #2 Mar 31 2012 13:21:30 %S A117510 1,3,7,11,19,21,35,63,45,95,99,93,119,105,165,429,273,285,581,385,345, %T A117510 495,749,651,665,1001,693,1155,1197,1155,1287,1463,693,1935,1659,2331, %U A117510 2145,1995,2915,2415,3399,2115,4785,3157,3519,5225,5481,2871,5115,6045 %N A117510 Index (sum) of first Orloj clock sequence containing n. %C A117510 a(n) >= n(n+1)/2. This is equality for n = 1,2,6,9,14. Are there any others? %Y A117510 Cf. A118382. %K A117510 nonn %O A117510 1,2 %A A117510 _Franklin T. Adams-Watters_, Apr 26 2006