[seqfan] Re: A034175 and A064929.

[Neil Sloane]

I guess you meant to ask: how unusual is it for the square
of a permutation to be a permutation?

The answer is that this is always true, since permutations form a group.

Neil


On Tue, May 14, 2013 at 8:08 PM, L. Edson Jeffery <lejeffery2 at gmail.com>wrote:

> How extraordinary is it that the convolution of a permutation of the
> natural numbers with itself admits another permutation of the natural
> numbers, as is conjectured for A034175 (resulting in A064929)?
>
> Ed Jeffery
>
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Dear Friends, I have now retired from AT&T. New coordinates:

Neil J. A. Sloane, President, OEIS Foundation
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