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@article{JIS_2007__10_5_a2, author = {Witu{\l}a, Roman and S{\l}ota, Damian}, title = {New {Ramanujan-type} formulas and {quasi-Fibonacci} numbers of order 7}, journal = {Journal of integer sequences}, publisher = {mathdoc}, volume = {10}, number = {5}, year = {2007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/JIS_2007__10_5_a2/} }
Wituła, Roman; Słota, Damian. New Ramanujan-type formulas and quasi-Fibonacci numbers of order 7. Journal of integer sequences, Tome 10 (2007) no. 5. http://geodesic.mathdoc.fr/item/JIS_2007__10_5_a2/