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 A151557 #20 Nov 22 2012 14:29:23 %S A151557 25,841,4900,5929,8464,11236,19044,20449,24964,28561,33124,38025, %T A151557 60025,64009,75076,127449,148225,170569,184900,193600,245025,281961, %U A151557 422500,425104,429025,461041,524176,620944,632025,970225,1024144,1044484,1113025,1283689 %N A151557 Squares which are the sum of two or more consecutive squares. %H A151557 Donovan Johnson, <a href="/A151557/b151557.txt">Table of n, a(n) for n = 1..5077</a> (terms < 10^15) %H A151557 Thomas Andrews, <a href="http://www.thomasoandrews.com/math/squares.html">Sum of consecutive squares equal to a square</a> %H A151557 K. S. Brown, <a href="http://www.mathpages.com/home/kmath147.htm">Sum of Consecutive Nth Powers Equals an Nth Power</a> %H A151557 <a href="/index/Su#ssq">Index entries for sequences related to sums of squares</a> %F A151557 a(n) = A097812(n)^2. %e A151557 25 = 5^2 = 3^2 + 4^2 %e A151557 841 = 29^2 = 20^2 + 21^2 %e A151557 4900 is the sum of the first 24 squares. %t A151557 (* First run the program for A097812 *) Union[A097812]^2 (* _Alonso del Arte_, Nov 19 2012 *) %Y A151557 Cf. A001032. Superset is A174069. %K A151557 nonn %O A151557 1,1 %A A151557 _N. J. A. Sloane_, May 21 2009