A219784 Integers expressible as x^3 + 2*y^3 (x, y > 0) exactly in three ways.
314953199, 432015625, 924667442, 1664304379, 1953968750, 2519625592, 3456125000, 4600102375, 7397339536, 8503736373, 11664421875, 13314435032, 15631750000, 20157004736, 24966020934, 27649000000, 36800819000, 38000696086, 39369149875, 44936218233, 52757156250, 54001953125, 59178716288
Offset: 1
Keywords
Examples
314953199: (x,y) = (121, 539), (463, 476), (649, 275).
Comments