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 A100197 #6 Nov 01 2019 16:49:49 %S A100197 2,2,3,3,4,3,4,4,5,5,5,5,5,6,6,6,7,6,6,7,7,7,7,7,8,8,8,8,8,8,8,9,8,9, %T A100197 9,9,10,9,9,9,10,10,9,10,10,10,11,10,11,11,11,10,11,11,11,12,11,11,12, %U A100197 11,12,12,12,12,13,12,12,12,13,12,13,12,13,13,13,13,13,13,14,13,14,14,14 %N A100197 Numbers of squares in the range [n^3, (n+1)^3]. %e A100197 a(0)=2 because between the cubes 0 and 1 there are exactly 2 squares, {0,1}. %e A100197 a(1)=2 because between the cubes 1 and 8 there are exactly 2 squares, {1,4}. %t A100197 Table[ Floor[Sqrt[(n + 1)^3] - Ceiling[Sqrt[n^3]]] + 1, {n, 0, 82}] (* _Ray Chandler_, Jan 09 2005 *) %K A100197 easy,nonn %O A100197 0,1 %A A100197 _Giovanni Teofilatto_, Dec 27 2004 %E A100197 Corrected and extended by _Ray Chandler_, Jan 09 2005