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Some unsolved problems
W. Narkiewicz
Mémoires de la Société mathématique de France. 1:159-164

Research exposition (mon... 0103 physical sciences unsolved problems in num... 0101 mathematics Units and factorization 01 natural sciences
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2

2. On a Problem with Infinite Sequences.
Florentin Smarandache ; The Pennsylvania State University CiteSeerX Archives
http://www.gallup.unm.edu/~smarandache/ScArt2/SD-Confiscat.pdf.

1] R.K. Guy Unsolved Problems in Num... Problem B48 p. 57
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2. On a Problem with Infinite Sequences.
Florentin Smarandache ; The Pennsylvania State University CiteSeerX Archives
http://www.gallup.unm.edu/~smarandache/ScArt6/ThreeConjectures.pdf.

1] R.K. Guy Unsolved Problems in Num... Problem B48 p. 57
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4

INTEGERS: ELECTRONIC JOURNAL OF COMBINATORIAL NUMBER THEORY 7 (2007), #A19 TRIANGULAR NUMBERS IN GEOMETRIC PROGRESSION
Yong-gao Chen ; Jin-hui Fang ; The Pennsylvania State University CiteSeerX Archives
http://www.mat.ub.edu/EMIS/journals/INTEGERS/papers/h19/h19.pdf.

In [R. K. Guy Unsolved Problems in Num... 3rd ed. Springer Verlag New York
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