A356700 Numbers k such that Mordell's equation y^2 = x^3 - k has a record number of integral solutions.

1, 2, 4, 28, 116, 207, 431, 2351, 3807

Offset: 1

Author

Jianing Song, Aug 23 2022

Keywords

• nonn
• hard
• more

Comments

Indices of records in A081120. For the record values see A356702.

Examples

			207 is a term since the equation y^2 = x^3 + 207 has 14 integral solutions, and the number of solutions to y^2 = x^3 - k is less than 14 for 0 < k < 207.
		

Crossrefs

Cf. A081119, A081120, A356699, A356701, A356702.