The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A021328 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A021328

Decimal expansion of 1/324.
(history; published version)

#25 by Ray Chandler at Sat May 04 14:49:45 EDT 2024

STATUS

editing

approved

#24 by Ray Chandler at Sat May 04 14:49:42 EDT 2024

LINKS

<a href="/index/Rec#order_09">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 0, 0, 0, 1).

STATUS

approved

editing

#23 by Joerg Arndt at Wed Dec 27 08:36:09 EST 2023

STATUS

editing

approved

#22 by Paolo P. Lava at Wed Dec 27 07:37:23 EST 2023

FORMULA

a(n) = (1/450)*{133*(n mod 10)+133*[(n+1) mod 10]-317*[(n+2) mod 10]+178*[(n+3) mod 10]+133*[(n+4) mod 10]+133*[(n+5) mod 10]-317*[(n+6) mod 10]+178*[(n+7) mod 10]-92*[(n+8) mod 10]+268*[(n+9) mod 10]}-5*[C(2*n,n) mod 2], with n>=0. [Paolo P. Lava, Nov 10 2009]

STATUS

approved

editing

#21 by N. J. A. Sloane at Wed Jun 22 09:24:02 EDT 2016

STATUS

proposed

approved

#20 by Joerg Arndt at Wed Jun 22 08:07:28 EDT 2016

STATUS

editing

proposed

#19 by Joerg Arndt at Wed Jun 22 08:07:23 EDT 2016

KEYWORD

nonn,cons,easy,changed

STATUS

proposed

editing

#18 by Michel Marcus at Wed Jun 22 01:37:58 EDT 2016

STATUS

editing

proposed

#17 by Michel Marcus at Wed Jun 22 01:37:54 EDT 2016

FORMULA

STATUS

proposed

editing

#16 by Vincenzo Librandi at Wed Jun 22 01:15:52 EDT 2016

STATUS

editing

proposed