A248109 Integer part of square root of A010811(n) = n^23.

0, 1, 2896, 306827, 8388608, 109183006, 888667667, 5231514822, 24296003999, 94143178827, 316227766016, 946271759726, 2573856496961, 6461726194556, 15152085430295, 33500360392119, 70368744177664, 141306648466586

Offset

0,3

Links

Karl V. Keller, Jr., Table of n, a(n) for n = 0..1000

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 Decimal, getcontext
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

Adjacent sequences: A248106 A248107 A248108 * A248110 A248111 A248112

Keyword

nonn,easy

Author

Karl V. Keller, Jr., Oct 01 2014

Status

approved