@article{JIS_2006__9_1_a3,
     author = {Callan,  David},
     title = {A combinatorial interpretation of the eigensequence for composition},
     journal = {Journal of integer sequences},
     year = {2006},
     volume = {9},
     number = {1},
     zbl = {1104.05002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2006__9_1_a3/}
}