A011439 Decimal expansion of 20th root of 20.

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

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• cons

Links

• Ivan Panchenko, Table of n, a(n) for n = 1..1000
• Sequences related to the decimal expansion of the n-th root of x, OEIS Index, Aug. 2017
• Index entries for algebraic numbers, degree 20.

Crossrefs

Cf. A011200 ... A011424 (n-th root of x=5..19, with n=6..20); A011425 ... A011438 (n-th root of 20, with n=6, ..., 19) ; A011440 ... A011519 (n-th root of n = 21, ..., 100).

Programs

Mathematica

RealDigits[N[20^(1/20),200]][[1]] (* Vladimir Joseph Stephan Orlovsky, Jan 26 2012 *)

PARI

sqrtn(20,20) \\ M. F. Hasler, Aug 26 2017