A219783 - OEIS

A219783

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

3, 1459, 314953199, 575012796875

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

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

LINKS

EXAMPLE

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

KEYWORD

nonn,hard,more

AUTHOR

Zak Seidov, Nov 27 2012

STATUS

approved