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单词 NSW Number
释义

NSW Number

The numbers


for positive integer . The first few terms are 1, 7, 41, 239, 1393, ... (Sloane's A002315). The indices giving Prime NSW numbers are3, 5, 7, 19, 29, 47, 59, 163, 257, 421, 937, 947, 1493, 1901, ... (Sloane's A005850).


References

Ribenboim, P. ``The NSW Primes.'' §5.9 in The New Book of Prime Number Records. New York: Springer-Verlag, pp. 367-369, 1996.

Sloane, N. J. A. SequencesA002315/M4423and A005850/M2426in ``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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