More Primal Code Sequences

Jon Awbrey jawbrey at att.net
Sat Jul 9 04:20:50 CEST 2005


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franklin,

yes, i was going to call those canonical permutations,
but am rushing around to get ready for vacation and
may not get to it for a while.

thanks for the comment,

jon awbrey

Franklin T. Adams-Watters wrote:
> 
> Jon Awbrey <jawbrey at att.net> wrote:
> 
> >%S A109297 1,2,9,12,18,40,112,125,250,352,360,540,600,675,832,
> >%T A109297 1008,1125,1350,1500,2176,2250
> >%N A109297 Primal codes of finite permutations on positive integers.
> >...
> >
> >%I A109298
> >%S A109298 1,2,9,18,125,250,1125,2250,2401,4802,21609,43218,300125,600250,
> >%T A109298 2701125,5402250
> >%N A109298 Primal codes of finite idempotent functions on positive integers.
> >...
> 
> If you're going to do these, you should also do primal codes that
> are permutations of 1..k for some k.  E.g., 9 would be excluded
> because 2:2 skips 1.
> --
> Franklin T. Adams-Watters
> 16 W. Michigan Ave.
> Palatine, IL 60067
> 847-776-7645

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