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 A385233 #22 Jul 04 2025 14:11:49
%S A385233 59,84,89,105,127,149,166,204,273,276,287,289,313,347,356,372,433,480,
%T A385233 576,620,624,673,773,777,849,932,949,1065,1151,1201,1230,1250,1376,
%U A385233 1380,1653,1676,2033,2089,2196,2244,2425,2534,2545,2786,3142,3156,3157,3225,3270,3302,3385,3388,3408,3445,3718,4070,4148,4249
%N A385233 Numbers that can be written as s^x + t^y + u^z with 1 < s < t < u and {s,t,u} = {x,y,z} (the sequence of exponents can be any permutation of s,t,u).
%H A385233 David A. Corneth, <a href="/A385233/b385233.txt">Table of n, a(n) for n = 1..10000</a>
%e A385233 a(1) = 2^4 + 3^3 + 4^2 = 16 + 27 + 16 = 59.
%e A385233 a(2) = 2^5 + 3^3 + 5^2 = 32 + 27 + 25 = 84.
%e A385233 a(3) = 2^4 + 3^2 + 4^3 = 16 + 9 + 64 = 89.
%e A385233 a(4) = 2^3 + 3^4 + 4^2 = 8 + 81 + 16 = 105.
%Y A385233 Cf. A001597, A385232 (two addends).
%K A385233 nonn
%O A385233 1,1
%A A385233 _Alberto Zanoni_, Jun 28 2025