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A273877 Least positive integer k such that k^3 + (k+1)^3 + ... + (k+n-2)^3 + (k+n-1)^3 is the sum of two positive cubes. a(n) = 0 if no solution exists. 1
0, 1, 11, 2, 10, 31, 6, 70, 4, 42, 4, 4, 15, 174, 6, 2, 70, 556, 18, 378, 2, 119, 4277, 6, 8, 5, 33111, 3, 2088, 61, 7, 7, 145, 417, 8, 13, 9, 1424, 23, 18, 106, 101, 7, 39, 138, 276, 13353, 48, 1, 31, 645, 2981, 107627, 34, 155, 11, 8, 214, 62, 25, 103, 28 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

What is the most repeated value of this sequence?

LINKS

Chai Wah Wu, Table of n, a(n) for n = 1..200

EXAMPLE

a(3) = 11 because 11^3 + 12^3 + 13^3 = 7^3 + 17^3.

CROSSREFS

Cf. A003325, A217843.

Sequence in context: A064928 A074335 A284212 * A066795 A079366 A226110

Adjacent sequences:  A273874 A273875 A273876 * A273878 A273879 A273880

KEYWORD

nonn

AUTHOR

Altug Alkan, Jun 02 2016

EXTENSIONS

a(10)-a(62) from Giovanni Resta, Jun 03 2016

a(49) corrected by Chai Wah Wu, Jun 07 2016

STATUS

approved

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Last modified July 5 01:22 EDT 2020. Contains 335457 sequences. (Running on oeis4.)