A094970 -id:A094970 - cp's OEIS frontend

A094969 a(n) = floor(5^n/2^n).

1, 2, 6, 15, 39, 97, 244, 610, 1525, 3814, 9536, 23841, 59604, 149011, 372529, 931322, 2328306, 5820766, 14551915, 36379788, 90949470, 227373675, 568434188, 1421085471, 3552713678, 8881784197, 22204460492, 55511151231, 138777878078, 346944695195, 867361737988

Offset: 0

Robert G. Wilson v, May 26 2004

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Cf. A002379, A094970-A094999.

[Floor(5^n / 2^n): n in [0..30]]; // Vincenzo Librandi, Sep 08 2011

A094969:=n->floor(5^n/2^n): seq(A094969(n), n=0..40); # Wesley Ivan Hurt, Feb 22 2017

Table[ Floor[(5/2)^n], {n, 0, 30}]
Floor[(5/2)^Range[0,30]] (* Harvey P. Dale, Jul 16 2012 *)

A094969(n):=floor(5^n/2^n)$ makelist(A094969(n),n,0,30); /* Martin Ettl, Oct 25 2012 */

a(n)=5^n>>n \\ Charles R Greathouse IV, Sep 08 2011

A211995 a(n) = floor(7^n / 2^n) mod 2^n.

Original entry on oeis.org

0, 1, 0, 2, 6, 13, 46, 33, 246, 479, 398, 883, 20, 6215, 9467, 16751, 42245, 115091, 140675, 492363, 674695, 1312859, 2497856, 2451041, 4384342, 6956591, 24348068, 118772672, 147268896, 112787953, 394757837, 844781520, 809251672, 2832380853, 1323398395, 13221828975

Offset: 0

M. F. Hasler, Oct 25 2012

nonn

Conjectured to be always positive for n > 2.

Lew Baxter, Exponential Diophantine Equations, post to NmbrThry list, Oct 25 2012

Cf. A000079, A094970.

Table[Mod[Floor[7^n/2^n], 2^n], {n, 0, 29}] (* Alonso del Arte, Oct 25 2012 *)

A211995(n):=mod(floor( 7^n / 2^n ), 2^n); makelist(A211995(n),n,0,30); /* Martin Ettl, Oct 25 2012 */

PARI
```
a(n)=7^n\2^n%2^n
```

cp's OEIS Frontend

A094969 a(n) = floor(5^n/2^n).

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