[seqfan] New blog about LES sequence A090252

Neil Sloane njasloane at gmail.com
Tue Jun 14 15:52:32 CEST 2022

>From time to time there have been discussions here about "Lexicographically
Earliest Sequences".There's a very interesting 20-year old one called The
Two-Up Sequence, A090252, that almost looks like it might be solvable. So
I've created a blog post about it,

Russ Cox has computed 5.7 million terms so there is plenty of data.
But I'm stuck. Please help.

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