login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A099403 Numbers n such that the sum of the decimal portions of the square root and cube root of n is greater than 1. 0

%I #5 May 22 2013 18:48:37

%S 3,6,7,14,15,19,20,21,22,23,24,26,34,35,43,44,45,46,47,48,53,54,55,56,

%T 57,58,59,60,61,62,63,77,78,79,80,91,92,93,94,95,96,97,98,99,106,107,

%U 108,109,110,111,112,113,114,115,116,117,118,119,120,122,123,124,140

%N Numbers n such that the sum of the decimal portions of the square root and cube root of n is greater than 1.

%e 18 is not the sequence because .242641+.620741=.863382, which is < 1.

%e 19 is in the sequence because .358899+.668402=1.027301, which is > 1.

%t Select[Range[150],Total[FractionalPart/@{Sqrt[#],Surd[#,3]}]>1&] (* _Harvey P. Dale_, May 22 2013 *)

%K easy,nonn,base

%O 1,1

%A _Gil Broussard_, Nov 17 2004

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 18 10:46 EDT 2024. Contains 371779 sequences. (Running on oeis4.)