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 A193244 #28 Jan 27 2021 10:14:27
%S A193244 16562,28593,35378,43218,54977,94178,106353,122018,134162,137633,
%T A193244 149058,181202,195122,198497,235298,235553,264113,264992,300833,
%U A193244 318402,324818,364658,384833,439922,457488,462722,514098,522242,566048,611618,624962
%N A193244 Numbers that are the sum of three biquadrates (fourth powers) in more than one way.
%C A193244 Erroneous version of A309762. - _Ilya Gutkovskiy_, Aug 15 2019
%C A193244 A subsequence of A003337. Lists the indices such that A193243(n) > 1.
%e A193244 a(1) = 16562 = 1^4 + 9^4 + 10^4 = 5^4 + 6^4 + 11^4, and this is the least number having two such decompositions.
%o A193244 (PARI) is_A000404(n)={ for( i=1, #n=factor(n)~%4, n[1, i]==3 & n[2, i]%2 & return); n & ( vecmin(n[1, ])==1 || (n[1, 1]==2 & n[2, 1]%2))} \\ _M. F. Hasler_, Feb 07 2009
%o A193244 (PARI) for(n=1,9e9, is_A000404(n) && A193243(n)>1 && print1(n","))
%Y A193244 Cf. A003337, A193243, A047714, A085559, A122540, A123075.
%K A193244 nonn
%O A193244 1,1
%A A193244 _M. F. Hasler_, Jan 01 2013