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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.

A088727 a(n) is the (n-1)st smallest number that is the sum of 2 distinct positive n-th powers.

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%I A088727 #10 Mar 09 2018 12:13:45
%S A088727 5,28,97,1025,4160,18571,390626,1953637,9824674,53022429,2176782337,
%T A088727 13060702208,78368947065,471258726400,2973697798081,232630513987208,
%U A088727 1628413598172593,11398896347634610,79793365809239777,559022701241487132,4041442752425255185
%N A088727 a(n) is the (n-1)st smallest number that is the sum of 2 distinct positive n-th powers.
%e A088727 Sums of 2 distinct k-th powers:
%e A088727 k=2:   5,   10,   13,    17,    20,    25,     26, ...
%e A088727 k=3:   9,   28,   35,    65,    72,    91,    126, ...
%e A088727 k=4:  17,   82,   97,   257,   272,   337,    626, ...
%e A088727 k=5:  33,  244,  275,  1025,  1056,  1267,   3126, ...
%e A088727 k=6:  65,  730,  793,  4097,  4160,  4825,  15626, ...
%e A088727 k=7: 129, 2188, 2315, 16385, 16512, 18571,  78126, ...
%e A088727 k=8: 257, 6562, 6817, 65537, 65792, 72097, 390626, ...
%e A088727 [edited by _Jon E. Schoenfield_, Mar 07 2018]
%Y A088727 Cf. A004431, A024670, A088687. - _Michel Marcus_, Mar 07 2018
%K A088727 nonn
%O A088727 2,1
%A A088727 _Cino Hilliard_, Nov 23 2003
%E A088727 Edited Name and more terms from _Jon E. Schoenfield_, Mar 04 2018