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 A029642 #8 Jun 22 2013 16:05:36 %S A029642 1,3,5,9,7,25,11,27,55,13,35,77,105,91,49,15,17,81,19,65,285,21,275, %T A029642 825,385,121,23,935,2079,1287,2717,4719,3289,169,119,1729,7007,9867, %U A029642 5005,819,29,135,665,2275,5733,11011,16445,19305,17875,13013,7371,3185,1015,225 %N A029642 Distinct odd numbers in the (1,2)-Pascal triangle A029635. %K A029642 nonn %O A029642 0,2 %A A029642 _Mohammad K. Azarian_ %E A029642 More terms from _David W. Wilson_