https://en.wikipedia.org/wiki/The_Last_Question
https://www.multivax.com/last_question.html
Clarke's "The Nine Billion Names of God"
https://en.wikipedia.org/wiki/The_Nine_Billion_Names_of_God
https://urbigenous.net/library/nine_billion_names_of_god.htm...
Dick's "We Can Remember It for You Wholesale"
https://en.wikipedia.org/wiki/We_Can_Remember_It_for_You_Who...
google the title and find a PDF on https://philosophy.as.uky.edu
And I'd better stop before I remember another.