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

Offset: 1

Author

Alonso del Arte, Sep 01 2014

Keywords

• cons
• nonn

Examples

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

Links

• Chai Wah Wu, Table of n, a(n) for n = 1..10000
• Szabolcs Tengely and Maciej Ulas, On a problem of Petho, arXiv:1702.06068 [math.NT], 2017.
• Index entries for sequences related to the decimal expansion of roots.

Crossrefs

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

Cf. A010769.

Programs

Mathematica

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

PARI

sqrtn(3, 7) \\ Stefano Spezia, Apr 03 2025