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@article{JIS_2007__10_1_a5, author = {Grundman, H.G. and Teeple, E.A.}, title = {Sequences of generalized happy numbers with small bases}, journal = {Journal of integer sequences}, publisher = {mathdoc}, volume = {10}, number = {1}, year = {2007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/JIS_2007__10_1_a5/} }
Grundman, H.G.; Teeple, E.A. Sequences of generalized happy numbers with small bases. Journal of integer sequences, Tome 10 (2007) no. 1. http://geodesic.mathdoc.fr/item/JIS_2007__10_1_a5/