A215889 - OEIS

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A215889

Decimal expansion of cube root of 1729.

1, 2, 0, 0, 2, 3, 1, 4, 3, 6, 8, 4, 2, 7, 6, 8, 4, 3, 9, 6, 5, 8, 5, 5, 9, 6, 4, 2, 2, 7, 1, 0, 2, 4, 6, 2, 5, 3, 4, 1, 2, 1, 7, 5, 7, 9, 7, 8, 3, 2, 2, 8, 9, 4, 2, 3, 1, 8, 5, 2, 7, 9, 7, 7, 9, 4, 3, 1, 0, 5, 2, 3, 7, 9, 5, 3, 8, 3, 2, 9, 7, 1, 7, 7, 8, 6, 4, 9, 8, 2, 0, 3, 9, 5, 1, 7, 4, 4

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OFFSET

2,2

COMMENTS

1729 is the smallest number that is the sum of two positive cubes in more than one way, namely 1729 = 10^3 + 9^3 = 12^3 + 1^3.

LINKS

Chai Wah Wu, Table of n, a(n) for n = 2..10003

Elliot Wolf, Poem for Richard Feynman.

EXAMPLE

1729^(1/3) = 12.002314368427684...

MATHEMATICA

RealDigits[1729^(1/3), 10, 105][[1]]