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 A077396 #6 Jun 23 2015 11:22:20 %S A077396 3,4,5,6,7,8,9,8,9,10,11,9,8,7,8,10,11,12,9,8,6,7,8,9,8,9,10,13,14,15, %T A077396 14,15,16,18,17,14,11,9,10,9,12,11,12,13,14,13,14,15,17,18,17,18,19, %U A077396 22,21,17,14,13,12,11,10,11,13,14,15,12,13,15,18,19,20,21,19,16,13,14,16 %N A077396 Square roots of squares arising in A076991. %H A077396 Ivan Neretin, <a href="/A077396/b077396.txt">Table of n, a(n) for n = 1..10000</a> %Y A077396 Cf. A076093, A076991. %K A077396 nonn,look %O A077396 1,1 %A A077396 _David Garber_, Nov 03 2002