Geodesic
A famous identity of Hajós in terms of sets
Journal of integer sequences, Tome 17 (2014) no. 9
By considering the famous identity on the convolution of the central binomial coefficients
Classification : 05A19, 05A10
Keywords: combinatorial identity, binomial coefficient, combinatorial proof 
@article{JIS_2014__17_9_a1,
     author = {Duarte,  Rui and de Oliveira,  Ant\'onio Guedes},
     title = {A famous identity of {Haj\'os} in terms of sets},
     journal = {Journal of integer sequences},
     year = {2014},
     volume = {17},
     number = {9},
     zbl = {1297.05029},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2014__17_9_a1/}
}
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Duarte,  Rui; de Oliveira,  António Guedes. A famous identity of Hajós in terms of sets. Journal of integer sequences, Tome 17 (2014) no. 9. http://geodesic.mathdoc.fr/item/JIS_2014__17_9_a1/