perplexus.info :: Just Math : Parity Dance

Parity Dance (Posted on 2024-06-19)

Find all non-empty finite sets of integers A and B with the following properties:

(i) Whenever x∈A, x+1∈B.
(ii) Whenever x∈B, x²-4∈A.

No Solution Yet Submitted by Danish Ahmed Khan

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Subject	Author	Date
re: Semi-analytical solution (spolier)	Brian Smith	2024-06-19 10:44:46
Semi-analytical solution (spolier)	Steve Herman	2024-06-19 10:24:31
Found so far	Larry	2024-06-19 10:22:13

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