A246709 - OEIS

A246709

Decimal expansion of the seventh root of 3.

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

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OFFSET

1,3

LINKS

Chai Wah Wu, Table of n, a(n) for n = 1..10000

Szabolcs Tengely, Maciej Ulas, On a problem of Petho, arXiv:1702.06068 [math.NT], 2017.

EXAMPLE

3^(1/7) = 1.1699308127586868864629757255137346676994...

MATHEMATICA

RealDigits[3^(1/7), 10, 108][[1]]

CROSSREFS

Cf. A246708 (sixth root of 3), A011267 (13th root of 9).