@article{JIS_2006__9_4_a6,
     author = {Witu{\l}a,  Romana and S{\l}ota,  Damian and Warzy\'nski,  Adam},
     title = {Quasi-Fibonacci numbers of the seventh order},
     journal = {Journal of integer sequences},
     year = {2006},
     volume = {9},
     number = {4},
     zbl = {1178.11028},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2006__9_4_a6/}
}