The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A212720 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A212720

The periodic part of the decimal expansion of n/(n+1). Any initial 0's are to be placed at end of cycle.
(history; published version)

#12 by Harvey P. Dale at Tue Mar 07 10:01:18 EST 2017

STATUS

editing

approved

#11 by Harvey P. Dale at Tue Mar 07 10:01:15 EST 2017

MATHEMATICA

Table[FromDigits[FindTransientRepeat[RealDigits[n/(n+1), 10, 100][[1]], 3][[2]]], {n, 40}] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Mar 07 2017 *)

STATUS

approved

editing

#10 by N. J. A. Sloane at Mon May 13 11:00:37 EDT 2013

STATUS

editing

approved

#9 by N. J. A. Sloane at Mon May 13 10:59:48 EDT 2013

CROSSREFS

Cf. A036275 (periodic part of the decimal expansion of 1/n), A158911 (numbers n such that a(n)=0), A051037.

Cf. A158911 (numbers n such that a(n)=0).

#8 by Reinhard Zumkeller at Mon May 13 07:29:56 EDT 2013

CROSSREFS

Cf. A158911 (numbers n such that a(n)=0), A212721 (numbers n such that a(n) is a one digit number).

STATUS

approved

editing

Discussion

Mon May 13

07:33

Reinhard Zumkeller: xref deleted as the referred sequence was recycled on June 14 2013,
see updates #4 and #5 in history (A212721).

#7 by T. D. Noe at Tue Jun 12 20:50:13 EDT 2012

STATUS

editing

approved

#6 by T. D. Noe at Tue Jun 12 20:49:51 EDT 2012

CROSSREFS

Cf. A036275 (periodic part of the decimal expansion of 1/n).

Cf. A158911 (numbers n such that a(n)=0), A212721 (numbers n such that a(n)= is a one digit number).

STATUS

proposed

editing

#5 by T. D. Noe at Tue Jun 12 19:29:56 EDT 2012

STATUS

editing

proposed

#4 by T. D. Noe at Tue Jun 12 19:28:38 EDT 2012

EXAMPLE

5/6 /7 = 0,.85714285714285714285714285714286... and digit-cycle is 857142, so a(56) = 857142.

STATUS

proposed

editing

#3 by Jaroslav Krizek at Mon Jun 11 03:25:07 EDT 2012

STATUS

editing

proposed