The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A017970 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A017970

Powers of sqrt(22) rounded down.
(history; published version)

#17 by Charles R Greathouse IV at Thu Sep 08 08:44:43 EDT 2022

PROG

(MAGMAMagma) [Floor(Sqrt(22^n)): n in [0..30]]; // Vincenzo Librandi, Jun 24 2011

Discussion

Thu Sep 08

08:44

OEIS Server: https://oeis.org/edit/global/2944

#16 by Harvey P. Dale at Thu Jul 16 19:55:02 EDT 2020

STATUS

editing

approved

#15 by Harvey P. Dale at Thu Jul 16 19:54:59 EDT 2020

MATHEMATICA

Floor[(Sqrt[22])^Range[0, 30]] (* Harvey P. Dale, Jul 16 2020 *)

STATUS

approved

editing

#14 by Joerg Arndt at Fri Sep 21 02:14:20 EDT 2018

STATUS

proposed

approved

#13 by Michel Marcus at Fri Sep 21 01:06:16 EDT 2018

STATUS

editing

proposed

#12 by Michel Marcus at Fri Sep 21 01:06:13 EDT 2018

CROSSREFS

Cf. A010478 (sqrt(22)).

STATUS

proposed

editing

#11 by Jon E. Schoenfield at Thu Sep 20 22:49:05 EDT 2018

STATUS

editing

proposed

#10 by Jon E. Schoenfield at Thu Sep 20 22:49:03 EDT 2018

FORMULA

a(n) = Floorfloor(Sqrtsqrt(22^n)); [From . - _Vincenzo Librandi, _, Jun 24 2011]

PROG

(MAGMA) [Floor(Sqrt(22^n)): n in [0..30]]; // _Vincenzo Librandi, _, Jun 24 2011

AUTHOR

N. J. A. Sloane.

STATUS

approved

editing

#9 by Charles R Greathouse IV at Mon May 13 01:47:35 EDT 2013

PROG

(PARI) a(n)=sqrtint(22^n) \\ _Charles R Greathouse IV, _, Nov 18 2011

Discussion

Mon May 13

01:47

OEIS Server: https://oeis.org/edit/global/1914

#8 by Russ Cox at Fri Mar 30 16:46:22 EDT 2012

AUTHOR

_N. J. A. Sloane (njas(AT)research.att.com)_.

Discussion

Fri Mar 30

16:46

OEIS Server: https://oeis.org/edit/global/110