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 A003344 #30 Feb 16 2025 08:32:27 %S A003344 10,25,40,55,70,85,90,100,105,115,120,130,135,145,150,160,165,170,180, %T A003344 185,195,200,210,215,225,230,245,250,260,265,275,280,290,295,310,325, %U A003344 330,340,345,355,360,370,375,385,390,400,405,410,420,425,435,440,450,455,465 %N A003344 Numbers that are the sum of 10 positive 4th powers. %H A003344 David A. Corneth, <a href="/A003344/b003344.txt">Table of n, a(n) for n = 1..10000</a> (first 1000 terms from T. D. Noe) %H A003344 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/BiquadraticNumber.html">Biquadratic Number.</a> %e A003344 From _David A. Corneth_, Aug 03 2020: (Start) %e A003344 5176 is in the sequence as 5176 = 2^4 + 2^4 + 3^4 + 3^4 + 3^4 + 5^4 + 5^4 + 5^4 + 5^4 + 7^4. %e A003344 6901 is in the sequence as 6901 = 1^4 + 4^4 + 4^4 + 5^4 + 5^4 + 5^4 + 5^4 + 6^4 + 6^4 + 6^4. %e A003344 8502 is in the sequence as 8502 = 1^4 + 3^4 + 4^4 + 5^4 + 5^4 + 5^4 + 6^4 + 6^4 + 6^4 + 7^4. (End) %o A003344 (Python) %o A003344 from itertools import count, takewhile, combinations_with_replacement as mc %o A003344 def aupto(limit): %o A003344 pows4 = list(takewhile(lambda x: x <= limit, (i**4 for i in count(1)))) %o A003344 sum10 = set(sum(c) for c in mc(pows4, 10) if sum(c) <= limit) %o A003344 return sorted(sum10) %o A003344 print(aupto(465)) # _Michael S. Branicky_, Oct 25 2021 %Y A003344 Cf. A000583, A003333, A003343, A003355, A047721, A345595, A345853. %K A003344 nonn,easy %O A003344 1,1 %A A003344 _N. J. A. Sloane_