cp's OEIS Frontend

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.

A063922 Numbers k such that k^5 = a^5 + b^5 + c^5 + d^5 + e^5 has a nontrivial solution in nonnegative integers.

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%I A063922 #27 Jan 25 2020 02:22:31
%S A063922 72,94,107,144,188,214,216,282,288,321,360,365,376,415,427,428,432,
%T A063922 435,470,480,503,504,530,535,553,564,575,576,642,648,650,658,700,703,
%U A063922 716,720,729,730,744,749,752,764,792,804,830,846,848,851,854,856,864,870
%N A063922 Numbers k such that k^5 = a^5 + b^5 + c^5 + d^5 + e^5 has a nontrivial solution in nonnegative integers.
%C A063922 Any multiple of a term is again a term of this sequence. See A063923 for the primitive solutions. See A007666 for similar solutions for other powers. - _M. F. Hasler_, Nov 17 2015
%C A063922 Nontrivial means at least two of a,b,c,d,e are nonzero. - _Jianing Song_, Jan 24 2020
%e A063922    72^5 = 19^5 + 43^5 + 46^5 + 47^5 +  67^5;
%e A063922    94^5 = 21^5 + 23^5 + 37^5 + 79^5 +  84^5;
%e A063922   107^5 =  7^5 + 43^5 + 57^5 + 80^5 + 100^5.
%Y A063922 Cf. A063923.
%Y A063922 For fourth powers: A003828, A175610, A039664, A003294.
%K A063922 nonn
%O A063922 1,1
%A A063922 _David W. Wilson_, Aug 31 2001