A219783 Smallest integer expressible as x^3 + 2*y^3 (x, y > 0) in exactly n ways.

3, 1459, 314953199, 575012796875

Offset: 1

Author

Zak Seidov, Nov 27 2012

Keywords

• nonn
• hard
• more

Comments

a(5) > 10^17. - Donovan Johnson, Nov 29 2012

Examples

			3: (x, y) = (1, 1)
1459: (x,y) = (1,9), (11,4)
314953199: (x,y) = (121, 539), (463, 476), (649, 275)
575012796875: (x, y) = (275, 6600), (6413, 5379), (7225, 4625), (8195, 2310)
		

Crossrefs

Cf. A219722, A219725, A219726, A219728.