@article{10_4064_aa98_2_6,
     author = {Tomasz Schoen},
     title = {The number of $(2,3)$-sum-free subsets of $\{ 1,\dots ,n\}$},
     journal = {Acta Arithmetica},
     pages = {155--163},
     publisher = {mathdoc},
     volume = {98},
     number = {2},
     year = {2001},
     doi = {10.4064/aa98-2-6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa98-2-6/}
}