Re: [math-fun] Is there a name for permutations that preserve no consecutive pairs?

On 19/08/2017 02:16, Dan Asimov wrote:

I was only checking for identical digraphs. But I hadn't thought to check for *sets* of two consecutive letters.

I think cinematographer and megachiropteran have no identical digraphs, but they both have the consecutive pair {M,E} (if not others).

I feel like I'm missing some joke everyone else is in on, but: cinematogRApher megachiropteRAn -- g