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

Author

N. J. A. Sloane

Keywords

• nonn
• cons

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.

Programs

PARI

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