A135665 - OEIS

A135665

a(n) = floor(sqrt(n) - n^(1/5)).

0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,14

LINKS

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

MATHEMATICA

Table[Floor[n^(1/2) - n^(1/5)], {n, 100}] (* Vincenzo Librandi, Feb 18 2013 *)

PROG

(Magma) [Floor(n^(1/2)-n^(1/5)): n in [1..100]]; // Vincenzo Librandi, Feb 18 2013

CROSSREFS

Cf. A000196, A048766, A134914, A135660, A135661, A135662, A135663, A135664.

Sequence in context: A185712 A328499 A339183 * A135662 A111853 A111851

Adjacent sequences: A135662 A135663 A135664 * A135666 A135667 A135668

KEYWORD

nonn,easy

AUTHOR

Mohammad K. Azarian, Nov 25 2007

EXTENSIONS

Offset corrected by Mohammad K. Azarian, Nov 19 2008

STATUS

approved