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Search: id:A001043
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| A001043 |
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Numbers that are the sum of 2 successive primes.
(Formerly M3780 N0968)
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+0
65
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| 5, 8, 12, 18, 24, 30, 36, 42, 52, 60, 68, 78, 84, 90, 100, 112, 120, 128, 138, 144, 152, 162, 172, 186, 198, 204, 210, 216, 222, 240, 258, 268, 276, 288, 300, 308, 320, 330, 340, 352, 360, 372, 384, 390, 396, 410, 434, 450, 456, 462, 472, 480, 492, 508, 520
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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a(n) = A116366(n,n-1) for n>1. - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Feb 06 2006
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
Archimedeans Problems Drive, Eureka, 26 (1963), 12.
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LINKS
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T. D. Noe, Table of n, a(n) for n=1..1000
A. Frank & P. Jacqueroux, International Contest, 2001. Item 22
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MATHEMATICA
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Table[Prime[n] + Prime[n + 1], {n, 55}] (Ray Chandler, Feb 12 2005)
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PROGRAM
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(SAGE) BB = primes_first_n(56) list = [] for i in range(55): list.append(BB[1+i]+BB[i]) list - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 14 2007
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CROSSREFS
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Sequence in context: A145285 A167615 A069102 this_sequence A118775 A025001 A020749
Adjacent sequences: A001040 A001041 A001042 this_sequence A001044 A001045 A001046
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KEYWORD
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nonn,nice,easy
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), R. K. Guy
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EXTENSIONS
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More terms from Larry Reeves (larryr(AT)acm.org), Mar 17 2000
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