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 A376291 #10 Sep 20 2024 09:24:10 %S A376291 76,112,172,364,427,532 %N A376291 Numbers k such that k^k is not a cube and can be expressed as (a^3 + b^3)/2 for positive integers a, b. %C A376291 Sequence is equal to all terms in A267415 that are not in A376279. %C A376291 If a or b are allowed to be 0, then 2, 4, 128, 256, 686, 1372, 2000, 4000, 4394, ... are also terms. %e A376291 76^76 is not a cube and is equal to (523974089123227128080087214816032969930445946880^3 + 314384453473936276848052328889619781958267568128^3)/2. %e A376291 112^112 is not a cube and is equal to (39739105680019344543609706294181022974041418385894471812303329593638887882752^3 + 13246368560006448181203235431393674324680472795298157270767776531212962627584^3)/2. %e A376291 172^172 is not a cube and is equal to (186302856478727791003189416646781404088735216286873615701287403506960347135763572314025783484358072432973760558663310530664464384^3 + 26614693782675398714741345235254486298390745183839087957326771929565763876537653187717969069194010347567680079809044361523494912^3)/2 %Y A376291 Cf. A267415, A376279. %K A376291 nonn,more %O A376291 1,1 %A A376291 _Chai Wah Wu_, Sep 19 2024