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A219726 Integers of the form x^3 + 2y^3 (x, y > 0). 4
3, 10, 17, 24, 29, 43, 55, 62, 66, 80, 81, 118, 127, 129, 136, 141, 155, 179, 192, 218, 232, 251, 253, 258, 270, 277, 314, 344, 345, 359, 375, 397, 433, 440, 459, 466, 471, 496, 514, 528, 557, 566, 593, 640, 648, 687, 694, 713, 731, 745, 750, 762, 775, 783 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Charles R Greathouse IV, Table of n, a(n) for n = 1..10000

MATHEMATICA

m = 10^3; Union[Flatten@Table[x^3 + 2 y^3, {x, m^(1/3)}, {y, ((m - x^3)/2)^(1/3)}]]

PROG

(PARI) is(n)=for(y=1, (lim/2)^(1/3), if(ispower(n-2*y^3, 3), return(1))); 0 \\ Charles R Greathouse IV, Nov 26 2012

CROSSREFS

Cf. A173587, A219722, A219725.

Sequence in context: A003072 A025395 A047702 * A017017 A297665 A309347

Adjacent sequences:  A219723 A219724 A219725 * A219727 A219728 A219729

KEYWORD

nonn

AUTHOR

Zak Seidov, Nov 26 2012

STATUS

approved

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Last modified November 13 15:41 EST 2019. Contains 329106 sequences. (Running on oeis4.)