[seqfan] Re: Q regarding comment in A000079 (Powers of 2)

Joerg Arndt arndt at jjj.de
Wed Jun 24 08:20:05 CEST 2009


* Joerg Arndt <arndt at jjj.de> [Jun 24. 2009 15:54]:
> > [...]

Sloppy me, in 

> Added this one:
> %C A000079 Permutations of n+1 elements where no element is more
>  than one position left of its original place. For example, there
>  are 4 such permutations of three elements: 123, 132, 213, and
>  312. The 8 such permutations of four elements are 1234, 1243,
>  1324, 1423, 2134, 2143, 3124, and 4123. [From Joerg
>  Arndt (arndt(AT)jjj.de), June 24 2009]
> 

it should be:

>  than one position RIGHT of its original place. For example, there
                     ^^^^^
                    was: "left"

Dammit.


> 
> > 
> > Several other comments are not top quality either (or are at least 
> > obfuscating):
> > [...]
> 
> I'd suggest to kill all of these, but leave it to someone else.
> 

I'll correct my mistake should it appear as submitted,
and also murder the "not top quality" comments you mentioned.







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