The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A094970

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Showing entries 1-10 | older changes

A094970

a(n) = floor(7^n/2^n).
(history; published version)

#19 by Charles R Greathouse IV at Thu Sep 08 08:45:13 EDT 2022

PROG

(MAGMAMagma) [Floor(7^n / 2^n): n in [0..30]]; // Vincenzo Librandi, Sep 08 2011

Discussion

Thu Sep 08

08:45

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

#18 by Hugo Pfoertner at Sat Jul 02 15:49:50 EDT 2022

STATUS

editing

approved

#17 by Hugo Pfoertner at Sat Jul 02 15:49:37 EDT 2022

DATA

1, 3, 12, 42, 150, 525, 1838, 6433, 22518, 78815, 275854, 965491, 3379220, 11827271, 41395451, 144884079, 507094277, 1774829971, 6211904899, 21741667147, 76095835015, 266335422555, 932173978944, 3262608926305, 11419131242070, 39966959347247, 139884357715364, 489595252003776

CROSSREFS

Cf. A002379, A094969-A094500A094999.

STATUS

approved

editing

#16 by Alois P. Heinz at Sat Sep 08 17:21:35 EDT 2018

STATUS

proposed

approved

#15 by Jon E. Schoenfield at Sat Sep 08 16:31:47 EDT 2018

STATUS

editing

proposed

#14 by Jon E. Schoenfield at Sat Sep 08 16:31:45 EDT 2018

NAME

Floora(n) = floor(7^n/2^n).

PROG

(MAGMA) [Floor(7^n / 2^n): n in [0..30]]; // _Vincenzo Librandi, _, Sep 08 2011

(Maxima) A094970(n):=floor(7^n/2^n)$ makelist(A094970(n), n, 0, 30); /*_ _Martin Ettl_, Oct 25 2012 */

STATUS

approved

editing

#13 by Charles R Greathouse IV at Thu Feb 04 12:08:59 EST 2016

STATUS

editing

approved

#12 by Charles R Greathouse IV at Thu Feb 04 12:08:55 EST 2016

PROG

(PARI) a(n)=7^n>>n \\ Charles R Greathouse IV, Feb 04 2016

STATUS

approved

editing

#11 by R. J. Mathar at Fri Oct 26 10:18:45 EDT 2012

STATUS

editing

approved

#10 by R. J. Mathar at Fri Oct 26 10:10:49 EDT 2012

FORMULA

7^n = a(n)*2^n + A138616(n). - R. J. Mathar, Oct 26 2012

STATUS

approved

editing