math.CO/0409509 number 45

[rwst]

What is the conjecture

The largest squarefree number $k$ such that $Q( \sqrt{-k} )$ has class number $n$ is always congruent 19 mod 24.

See also https://oeis.org/A038552

Prerequisites needed

Status: open

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• I plan on adding this conjecture to the repository
• This issue is up for grabs: I would like to see this conjecture added by somebody else