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 A055569 #5 Aug 27 2013 16:14:41 %S A055569 0,1,2,3,4,5,6,7,8,9,12,13,14,15,16,17,18,19,26,27 %N A055569 Sum of digits of a(n)^3 is greater than or equal to a(n). %e A055569 a(4) = 4 because 4^3 = 64 and 6+4 = 10>= 4 %t A055569 Select[Range[300],Total[IntegerDigits[#^3]]>=#&] (* _Harvey P. Dale_, Aug 27 2013 *) %Y A055569 Cf. A004164, A046459, A055568, A055570, A055571, A055572. %K A055569 base,fini,full,nonn %O A055569 0,3 %A A055569 _Henry Bottomley_, May 26 2000