login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A018102 Powers of fourth root of 20 rounded down. 0
1, 2, 4, 9, 20, 42, 89, 189, 400, 845, 1788, 3782, 8000, 16917, 35777, 75659, 160000, 338358, 715541, 1513186, 3200000, 6767176, 14310835, 30263731, 64000000, 135343521, 286216701, 605274629, 1280000000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..28.

MATHEMATICA

Floor[(Power[20, (4)^-1])^Range[0, 30]]  (* Harvey P. Dale, Apr 25 2011 *)

CROSSREFS

Sequence in context: A240047 A090166 A101338 * A018103 A175104 A123720

Adjacent sequences:  A018099 A018100 A018101 * A018103 A018104 A018105

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 21 11:38 EST 2019. Contains 319354 sequences. (Running on oeis4.)