# [seqfan] Re: Reciprocal Recaman

David Wilson davidwwilson at comcast.net
Tue Nov 19 05:07:08 CET 2013

```Done. A232111, A232112, awaiting review.

> -----Original Message-----
> From: SeqFan [mailto:seqfan-bounces at list.seqfan.eu] On Behalf Of Neil
> Sloane
> Sent: Monday, November 18, 2013 9:43 PM
> To: Sequence Fanatics Discussion list
> Subject: [seqfan] Re: Reciprocal Recaman
>
> denominators to the OEIS?
>
> (Use A226260 / A226261 for example as a template.
> In fact there are hundreds of such examples.)
>
> Please also add this to the Index to Fractions on the wiki - or I can do
that if
> you tell me the A-numbers.
> Thanks!
> Neil
>
>
> On Mon, Nov 18, 2013 at 8:33 PM, David Wilson
> <davidwwilson at comcast.net>wrote:
>
> > The smallest nonnegative values in
> >
> > S(n) = { +- 1/1 +- 1/2 +- 1/3 +- ... +- 1/n }
> >
> > for n <= 40 are
> >
> > 0 0/1
> > 1 1/1
> > 2 1/2
> > 3 1/6
> > 4 1/12
> > 5 7/60
> > 6 1/20
> > 7 11/420
> > 8 13/840
> > 9 11/2520
> > 10 11/2520
> > 11 23/27720
> > 12 23/27720
> > 13 607/360360
> > 14 251/360360
> > 15 251/360360
> > 16 25/144144
> > 17 97/12252240
> > 18 97/12252240
> > 19 3767/232792560
> > 20 3767/232792560
> > 21 3767/232792560
> > 22 457/46558512
> > 23 24319/5354228880
> > 24 24319/5354228880
> > 25 7951/2974571600
> > 26 4261/26771144400
> > 27 13703/80313433200
> > 28 13703/80313433200
> > 29 872843/2329089562800
> > 30 872843/2329089562800
> > 31 17424097/72201776446800
> > 32 13828799/144403552893600
> > 33 902339/144403552893600
> > 34 7850449/144403552893600
> > 35 7850449/144403552893600
> > 36 7850449/144403552893600
> > 37 1526171/763275922437600
> > 38 68185267/5342931457063200
> > 39 3429883/485721041551200
> > 40 3429883/485721041551200
> >
> >
> > _______________________________________________
> >
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> >
>
>
>
> --
> Dear Friends, I have now retired from AT&T. New coordinates:
>
> Neil J. A. Sloane, President, OEIS Foundation
> 11 South Adelaide Avenue, Highland Park, NJ 08904, USA.
> Also Visiting Scientist, Math. Dept., Rutgers University, Piscataway, NJ.