login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A135661 a(n) = floor(sqrt(n) - n^(1/3)). 14
0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,24

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MATHEMATICA

Table[Floor[n^(1/2) - n^(1/3)], {n, 100}] (* Vincenzo Librandi, Feb 18 2013

PROG

(MAGMA) [Floor(n^(1/2)-n^(1/3)): n in [1..100]]; // Vincenzo Librandi, Feb 18 2013

CROSSREFS

Cf. A000196, A048766, A134914, A135660.

Sequence in context: A062153 A217693 A204560 * A082998 A076620 A121900

Adjacent sequences:  A135658 A135659 A135660 * A135662 A135663 A135664

KEYWORD

nonn,easy

AUTHOR

Mohammad K. Azarian, Nov 25 2007

EXTENSIONS

Offset corrected by M. F. Hasler, Nov 17 2008

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 24 07:18 EST 2020. Contains 331189 sequences. (Running on oeis4.)