单词 | Cullen Number |
释义 | Cullen NumberA number of the form ![]() The first few are 3, 9, 25, 65, 161, 385, ... (Sloane's A002064). The only Cullen numbers ![]() ![]() ![]() ![]() ![]() ![]()
Ballinger, R. ``Cullen Primes: Definition and Status.'' http://vamri.xray.ufl.edu/proths/cullen.html. Guy, R. K. ``Cullen Numbers.'' §B20 in Unsolved Problems in Number Theory, 2nd ed. New York: Springer-Verlag, p. 77, 1994. Keller, W. ``New Cullen Primes.'' Math. Comput. 64, 1733-1741, 1995. Leyland, P. ftp://sable.ox.ac.uk/pub/math/factors/cullen. Ribenboim, P. The New Book of Prime Number Records. New York: Springer-Verlag, pp. 360-361, 1996. Sloane, N. J. A. SequencesA002064/M2795and A005849/M5401in ``An On-Line Version of the Encyclopedia of Integer Sequences.''http://www.research.att.com/~njas/sequences/eisonline.html and Sloane, N. J. A. and Plouffe, S.The Encyclopedia of Integer Sequences. San Diego: Academic Press, 1995. |
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