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A001043 Numbers that are the sum of 2 successive primes.
(Formerly M3780 N0968)
+0
51
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)
OFFSET

1,1

COMMENT

a(n) = A116366(n,n-1) for n>1. - Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Feb 06 2006

REFERENCES

Archimedeans Problems Drive, Eureka, 26 (1963), 12.

LINKS

T. D. Noe, Table of n, a(n) for n=1..1000

A. Frank & P. Jacqueroux, International Contest, 2001. Item 22

MATHEMATICA

Table[Prime[n] + Prime[n + 1], {n, 55}] (Ray Chandler, Feb 12 2005)

PROGRAM

(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

CROSSREFS

Sequence in context: A047383 A133795 A069102 this_sequence A118775 A025001 A020749

Adjacent sequences: A001040 A001041 A001042 this_sequence A001044 A001045 A001046

KEYWORD

nonn,nice,easy

AUTHOR

njas, R. K. Guy

EXTENSIONS

More terms from Larry Reeves (larryr(AT)acm.org), Mar 17 2000

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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