a(n) is the least positive integer k such that Mordell's equation y^2 = x^3 + k has exactly n integer solutions with y >= 0.
A392144
a(n) is the least positive integer k such that Mordell's equation y^2 = x^3 + k has exactly n integer solutions with y >= 0.
Terms
- a(0) =6a(1) =2a(2) =12a(3) =1a(4) =8a(5) =9a(6) =73a(7) =316a(8) =17a(9) =297a(10) =2817a(11) =1737a(12) =4481a(13) =225a(14) =2089a(15) =14400a(16) =1025a(17) =197225a(18) =65600a(19) =92025a(20) =260100a(21) =442225a(22) =4215025a(23) =885025a(24) =54225a(25) =22548673a(26) =13221225a(27) =23882257a(28) =5472225a(29) =3470400
External references
- oeis: A392144