A018184 Powers of fifth root of 24 rounded to nearest integer.

1, 2, 4, 7, 13, 24, 45, 86, 162, 305, 576, 1088, 2054, 3877, 7321, 13824, 26102, 49285, 93059, 175713, 331776, 626451, 1182849, 2233427, 4217101, 7962624, 15034828, 28388386, 53602242, 101210414, 191102976

Offset

0,2

Links

Chai Wah Wu, Table of n, a(n) for n = 0..1000

Prog

(Python)
from gmpy2 import iroot_rem
def A018142(n):
    i, j = iroot_rem(24**n, 5)
    return int(i) + int(32*j >= 10*i*(4*i*(2*i*(i + 1) + 1) + 1) + 1) # Chai Wah Wu, Aug 18 2016

Crossrefs

Sequence in context: A192654 A260668 A371789 * A192675 A018185 A191526

Adjacent sequences: A018181 A018182 A018183 * A018185 A018186 A018187

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved