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A248109
Integer part of square root of A010811(n) = n^23.
1
0, 1, 2896, 306827, 8388608, 109183006, 888667667, 5231514822, 24296003999, 94143178827, 316227766016, 946271759726, 2573856496961, 6461726194556, 15152085430295, 33500360392119, 70368744177664, 141306648466586
OFFSET
0,3
LINKS
FORMULA
a(n) = floor(sqrt(n^23)).
EXAMPLE
for n = 4, floor(sqrt(n^23)) = 8388608.
MATHEMATICA
IntegerPart[Sqrt[#]]&/@(Range[0, 20]^23) (* Harvey P. Dale, Feb 03 2015 *)
PROG
(Python)
from decimal import *
getcontext().prec = 100
for n in range(0, 1001): print n, int(Decimal(n**23).sqrt())
(PARI) a(n)=sqrtint(n^23) \\ Charles R Greathouse IV, Oct 01 2014
CROSSREFS
Cf. A010811 (n^23).
Sequence in context: A235825 A235580 A285756 * A219963 A340201 A235102
KEYWORD
nonn,easy
AUTHOR
Karl V. Keller, Jr., Oct 01 2014
STATUS
approved