cp's OEIS Frontend

A257298 Numbers whose cube is of the form a^5 + b^5 - c^5 with a >= b > 0 and c not in {a,b}.

%I A257298 #15 Jul 14 2015 08:29:14
%S A257298 144,3969,4114,4608,17918,18723,34992,44944,53176,75076,127008,131648,
%T A257298 147456,163500,171698,206116,235225,347778,450000,462220,573376,
%U A257298 599136,611524,660969,715716,927799,943020,964467,986049,999702
%N A257298 Numbers whose cube is of the form a^5 + b^5 - c^5 with a >= b > 0 and c not in {a,b}.
%C A257298 Otherwise said, d-values of nontrivial solutions to a^5 + b^5 = c^5 + d^3.
%e A257298 144^3 = 192^5 + 156^5 - 204^5,
%e A257298 3969^3 = 126^5 + 126^5 - 63^5,
%e A257298 4114^3 = 143^5 + 121^5 - 110^5,
%e A257298 4608^3 = 1536^5 + 1248^5 - 1632^5, ...
%Y A257298 Cf. A000578, A000584, A020896, A256603, A255351.
%K A257298 nonn
%O A257298 1,1
%A A257298 _M. F. Hasler_, May 21 2015
%E A257298 Most terms computed by _Giovanni Resta_, May 25 2015