Unique father problem

The unique father problem is the following question, posed by John Conway in 1972 in Lifeline Volume 6 with an associated $50 cash prize,[1] along with the grandfather problem:

Is there a stable configuration whose only father is itself (with some fading junk some distance away not being counted)?
Unique father problem
Pattern type Problem
Discovered by Unknown
Year of discovery Unknown

The problem remains open as of April 2020.

Also see

gollark: <@!151391317740486657> I may or may not just manually decide if something counts as blasphemy or not.
gollark: Is it though? Is it really?
gollark: Alsot ools.
gollark: Oh, the pandora *sphere*.
gollark: You mean your cube of doom?

References

  1. Robert Wainwright (October 1972). "Lifeline Volume 6" p. 1.
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