A011080 Decimal expansion of 4th root of 89.

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

Offset

1,1

Comments

Abbott & Moser show that A045652(n) > k^(n - c log n) for some constant c and large enough n, where k is this constant. - Charles R Greathouse IV, Feb 19 2016

Links

Ivan Panchenko, Table of n, a(n) for n = 1..1000

H. L. Abbott and L. Moser, Sum-free sets of integers, Acta Arithmetica 11:4 (1965-1966), pp. 393-396.

Example

3.0714786556407328892718809635074524464642968871602...

Mathematica

First[RealDigits[89^(1/4), 10, 100]] (* Paolo Xausa, Nov 27 2025 *)

Prog

(PARI) sqrtn(89, 4) \\ Charles R Greathouse IV, Apr 16 2014

Crossrefs

Sequence in context: A238942 A046269 A153346 * A021769 A200119 A291943

Adjacent sequences: A011077 A011078 A011079 * A011081 A011082 A011083

Keyword

nonn,cons,easy

Author

N. J. A. Sloane

Status

approved