Timeline for On the equation $a^4+b^4+c^4=2d^4$ in coprime positive integers $a\lt b\lt c$ such that $a+b\ne c$
Current License: CC BY-SA 4.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 3 at 13:47 | comment | added | Rosie F | More primitive ones: (9845, 44747, 78212, 67467); (20091, 58120, 115003, 98267); (54796, 76165, 172667, 146907); (37028, 64555, 209731, 176799); (72681, 156145, 207512, 187589); (122213, 246996, 303115, 280531); (157131, 167560, 324691, 281239); (116745, 155873, 575528, 484813). The values of $d$ in primitive irregular solutions are 1973, 7383, 67467, ... (OEIS A121995), defined as ``Denominators of rational points on $x^4+y^4+z^4=2$ not satisfying $z=x+y$''. Found by simple search algorithm. | |
| Jan 15, 2023 at 20:51 | vote | accept | CommunityBot | ||
| Jan 15, 2023 at 20:51 | |||||
| Jan 11, 2023 at 11:45 | history | edited | Peter Mueller | CC BY-SA 4.0 |
Added another case
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| Jan 10, 2023 at 13:38 | comment | added | Peter Mueller | @user25406 brute force | |
| Jan 10, 2023 at 13:31 | comment | added | user25406 | did you use an algorithm or brute force? | |
| Jan 10, 2023 at 13:06 | history | answered | Peter Mueller | CC BY-SA 4.0 |