More Primal Code Sequences

[Franklin T. Adams-Watters]

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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