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 A271730 #49 Jun 02 2025 12:17:53 %S A271730 153,370,371,407,1000,1001,2213,4160,4161,41833,165033,221859,341067, %T A271730 444664,487215,982827,983221,166500333,296584415,710656413,828538472, %U A271730 3351425749,4741646560,5363441729,6410801727,13681182232,15812239860,16066842264,18722248929,67229383464 %N A271730 Each number is the sum of the cubes of its 3 sections (not necessarily having the same length and without leading zeros). %C A271730 Sequence A056733 is quite similar, except that in the present sequence no leading 0's are allowed (except 0 itself) and sections may be of different length. %H A271730 Giovanni Resta, <a href="/A271730/b271730.txt">Table of n, a(n) for n = 1..69</a> (terms < 10^18) %e A271730 1000 = 10^3 + 0^3 + 0^3 is a term, 2213 = 2^3 + 2^3 + 13^3 is a term too. %Y A271730 Cf. A056733. %K A271730 nonn,base %O A271730 1,1 %A A271730 _Martins Opmanis_, Apr 19 2016