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.
A392395
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) =3a(1) =1a(2) =4a(3) =28a(4) =116a(5) =828a(6) =496a(7) =207a(8) =503a(9) =431a(10) =2351a(11) =3807a(12) =63900a(13) =64432a(14) =344719a(15) =317079a(16) =201023a(17) =194023a(18) =43847a(19) =9773775a(20) =2806208a(21) =28279a(22) =1690399a(23) =6668900a(24) =6959600a(25) =1809856a(26) =89466479a(27) =20615391a(28) =390990583a(29) =78051887
External references
- oeis: A392395