1. On the behavior of a variant of Hofstadter's Q-sequence;Balamohan B.;J. Integer Seq.,2007
2. Quasipolynomial solutions to the Hofstadter Q-recurrence;Fox N.;Integers,2016
3. D.R. Hofstadter, Gödel, Escher, Bach: An Eternal Golden Braid, Basic Books, Springer, New York, 1979. ISBN 0-465-026850.
4. A combinatorial approach for solving certain nested recursions with non-slow solutions
5. OEIS Foundation Inc. Entry A005185 in the On-Line Encyclopedia of Integer Sequences 2024; Available at https://oeis.org/A005185 (in particular the reference to a computation by M. Eric Carr (2 July 2023)).