@article{05068481, title = {The number of inequivalent }, journal = {Journal of Integer Sequences [electronic only]}, volume = {9}, year = {2006}, zbl = {1104.94063}, language = {en}, url = {http://dml.mathdoc.fr/item/05068481} }
Kéri, Gerzson; Östergård, Patric R.J. The number of inequivalent . Journal of Integer Sequences [electronic only], Tome 9 (2006) . http://gdmltest.u-ga.fr/item/05068481/