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 A236749 #8 Oct 30 2014 13:09:14 %S A236749 1,8,81,512,1000,2592,6400,8000,10125,19683,20736,34300,35937,36125, %T A236749 46656,59319,74088,81000,123823,125000,157464,185193,268912,279936, %U A236749 328509,373248,421875,431244,469567,474552,481474,512000,592704,658503,795906,804357 %N A236749 Positive integers n such that n^2 divided by the digital sum of n is a cube. %e A236749 2592 is in the sequence because the digital sum of 2592 is 18, and 2592^2/18 = 373248 = 72^3. %o A236749 (PARI) %o A236749 s=[]; for(n=1, 100000, d=sumdigits(n); if(n^2%d==0 && ispower(n^2\d, 3), s=concat(s, n))); s %Y A236749 Cf. A007953, A236748, A236750, A236751. %K A236749 nonn,base %O A236749 1,2 %A A236749 _Colin Barker_, Jan 30 2014