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A114090 Sums of 2 distinct nonnegative cubes. 2
1, 8, 9, 27, 28, 35, 64, 65, 72, 91, 125, 126, 133, 152, 189, 216, 217, 224, 243, 280, 341, 343, 344, 351, 370, 407, 468, 512, 513, 520, 539, 559, 576, 637, 728, 729, 730, 737, 756, 793, 854, 855, 945, 1000, 1001, 1008, 1027, 1064, 1072, 1125, 1216, 1241, 1331 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Except for zero, equivalently sums of at most 2 distinct positive cubes.

LINKS

Robert Israel, Table of n, a(n) for n = 1..10000

MAPLE

N:= 2000: # to get all terms <= N

S:= select(`<=`, {seq(seq(a^3 + b^3, b = 0 .. a-1), a=0..floor(N^(1/3)))}, N):

sort(convert(S, list)); # Robert Israel, May 31 2018

MATHEMATICA

Select[Union@ Flatten[Table[i^3 + j^3, {i, 11}, {j, 0, i-1}]], # <= 11^3 &] (* Giovanni Resta, May 31 2018 *)

CROSSREFS

Cf. A024670, A003997, A004999, A000578, A001983.

Sequence in context: A305336 A042311 A003997 * A217843 A139753 A046874

Adjacent sequences:  A114087 A114088 A114089 * A114091 A114092 A114093

KEYWORD

nonn

AUTHOR

Franklin T. Adams-Watters, Sep 14 2006

STATUS

approved

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Last modified November 19 10:18 EST 2018. Contains 317349 sequences. (Running on oeis4.)