Christian Krattenthaler (1990)

Manuscripta mathematica

Mendes, Anthony, Remmel, Jeffrey (2005)

Séminaire Lotharingien de Combinatoire [electronic only]

Adams-Watters, Franklin T., Ruskey, Frank (2009)

Journal of Integer Sequences [electronic only]

Kløve, Torleiv (2009)

The Electronic Journal of Combinatorics [electronic only]

Langley, Thomas, Liese, Jeffrey, Remmel, Jeffrey (2011)

Journal of Integer Sequences [electronic only]

Prodinger, Helmut (2008)

Journal of Integer Sequences [electronic only]

Peart, Paul, Woan, Wen-Jin (2000)

Journal of Integer Sequences [electronic only]

Knopfmacher, A., Mays, M.E. (2001)

Integers

Labelle, Gilbert, Leroux, Pierre, Ducharme, Martin G. (2005)

Séminaire Lotharingien de Combinatoire [electronic only]

Foata, Dominique, Krattenthaler, Christian (1995)

Séminaire Lotharingien de Combinatoire [electronic only]

Squire, Matthew B. (1996)

The Electronic Journal of Combinatorics [electronic only]

Huczynska, Sophie, Vatter, Vincent (2006)

The Electronic Journal of Combinatorics [electronic only]