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 A222304 #12 Jul 09 2025 04:35:47
%S A222304 0,1,4,8,13,14,27,28,32,36,49,62,63,64,76,104,108,109,112,125,140,148,
%T A222304 158,171,172,185,193,216,224,234,244,252,256,260,288,301,302,343,351,
%U A222304 364,365,378,392,427,433,468,494,496,500,504,508,512,532,536,589,603,608,652,665,666,676,679,728,729,734,756,769,832
%N A222304 Numbers k such that 2k is in A045980.
%C A222304 Numbers k such that 2k = x^3 + y^3 for some integers x, y. - _Charles R Greathouse IV_, Nov 29 2014
%H A222304 Charles R Greathouse IV, <a href="/A222304/b222304.txt">Table of n, a(n) for n = 1..10000</a>
%o A222304 (PARI) T=thueinit('z^3+1);
%o A222304 is(n)=n==0 || #thue(T, 2*n)>0 \\ _Charles R Greathouse IV_, Nov 29 2014
%Y A222304 Cf. A045980, A222305, A222306.
%K A222304 nonn
%O A222304 1,3
%A A222304 _N. J. A. Sloane_, Feb 15 2013, based on a suggestion from _Allan C. Wechsler_