[seqfan] Re: Is A026477 determined by prime signatures?

Don Reble djr at nk.ca
Mon Aug 29 02:22:50 CEST 2016


>> Let Z be a permutation of the primes,
>> such that p^k divides X1 iff (Z(p))^k divides X2.

> ... means, for example, that say signature S = {3,1}, so X = {24, 40,
> 54, 56, 88...}, so let X1=54 = 3^3*2 and X2=88 = 2^3*11.
> Can you give an example of a specific permutation?

    In this case, Z maps (2,3,...) to (11,2,...).

-- 
Don Reble  djr at nk.ca



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