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 A195884 #5 Mar 30 2012 18:57:48 %S A195884 4,17,16,19,92,94,46,227,23,106,62,422,61,38,181,62,304,136,677,34, %T A195884 152,199,391,128,634,274,107,526,361,53,83,241,79,218,173,94,452,571, %U A195884 212,332,694,136,662,113,139,541,302,353,229,632,467,244,158,197 %N A195884 Positive integers c for which there is a primitive (1/2)-Pythagorean triple (a,b,c) satisfying a<=b. %C A195884 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences. %t A195884 (See A195879.) %Y A195884 Cf. A195770, A195879, A195882. %K A195884 nonn %O A195884 1,1 %A A195884 _Clark Kimberling_, Sep 25 2011