A374357 Decimal expansion of the 5th root of 109.

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

Offset: 1

Author

Stefano Spezia, Jul 06 2024

Keywords

• nonn
• easy
• cons

Examples

			2.555555396735189817041820471280094045212814305...
		

Links

• Greg Martin and Winnie Miao, abc triples, arXiv:1409.2974 [math.NT], 2014. See p. 5.
• Index entries for sequences related to the decimal expansion of the n-th root of x.

Crossrefs

Cf. A374358 (continued fraction), A374359 (decimal expansion of the third convergent).

Programs

Mathematica

RealDigits[109^(1/5),10,100][[1]]

Python

from sympy import integer_nthroot
def A374357(n): return integer_nthroot(109*10**(5*(n-1)),5)[0]%10 # Chai Wah Wu, Jul 07 2024