[seqfan] Loose ends re Queens' graph

Neil Sloane njasloane at gmail.com
Mon Dec 25 18:04:32 CET 2017

Don Knuth wrote yesterday pointing out that whereas A002563 gives 15 terms,
A002564 gives only 13 terms, and it should not be hard to extend the
shorter sequence.

Same thing for A002567 (18 terms) vs A002568 (12 terms only).

Since some of the people who worked on those sequences are on this list, I
mention this here.

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