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A114379 Sums of pth to the qth prime where p and q are twin primes. +0
1
23, 41, 109, 187, 349, 551, 841, 1079, 1667, 1779, 2357, 2599, 3219, 3487, 3631, 4319, 4533, 5197, 5501, 6213, 7039, 8709, 9031, 9829, 11233, 12425, 13227, 13677, 14329, 14813, 18667, 18951, 19073, 19973, 20561, 24329, 24685, 25153, 25561, 26261 (list; graph; listen)
OFFSET

1,1

COMMENT

Conjecture: The number of terms in this sequence is infinite.

FORMULA

prime(n) is the n-th prime number.

EXAMPLE

3 and 5 are the first twin prime pair. prime(3) = 5,prime(4) = 7, prime(5)=11

and 5+7+11 = 23, the first entry in the table.

PROGRAM

(PARI) g(n)=forprime(x=3, n, if(isprime(x+2), print1(sumprimes(x, x+2)", ")))

CROSSREFS

Sequence in context: A115699 A083444 A106970 this_sequence A106969 A037137 A023264

Adjacent sequences: A114376 A114377 A114378 this_sequence A114380 A114381 A114382

KEYWORD

easy,nonn

AUTHOR

Cino Hilliard (hillcino368(AT)gmail.com), Feb 10 2006

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


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