The Hankel transform and some of its properties. Layman, John W. — 2001 Journal of Integer Sequences [electronic only]
Some properties of a certain nonaveraging sequence. Layman, John W. — 1999 Journal of Integer Sequences [electronic only]
Note on the local growth of iterated polynomials. John W. Layman; Bruce Landman — 1984 Aequationes mathematicae