Install libghc-oeis-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libghc-oeis-doc
Description:
Interface to the Online Encyclopedia of Integer Sequences; documentation
It is an interface to the Online Encyclopedia of Integer Sequences. See http://oeis.org/ . This package provides the documentation for a library for the Haskell programming language. See http://www.haskell.org/ for more information on Haskell.
Homepage: http://hackage.haskell.org/package/oeis
Version: 0.3.9-1build4
Section: universe/doc