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A118134 Primes p such that 4p is the sum of two consecutive primes. 6
2, 3, 13, 17, 43, 67, 127, 137, 167, 193, 223, 283, 487, 563, 613, 617, 643, 647, 773, 1033, 1187, 1193, 1277, 1427, 1453, 1483, 1543, 1663, 1847, 1949, 2027, 2143, 2297, 2371, 2423, 2437, 2477, 2503, 2609, 2683, 2843, 2857, 2927, 3119, 3137 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..45.

EXAMPLE

13 is there because it is prime and 4*13 = 23+29.

MATHEMATICA

If[PrimeQ[P = (Prime[k] + Prime[k + 1])/4], Print[P]]

CROSSREFS

Sequence in context: A215359 A115898 A215350 * A215386 A143871 A225517

Adjacent sequences:  A118131 A118132 A118133 * A118135 A118136 A118137

KEYWORD

nonn

AUTHOR

Anton Vrba (antonvrba(AT)yahoo.com), May 13 2006

EXTENSIONS

Edited by Don Reble (djr(AT)nk.ca), Jul 23 2006

STATUS

approved

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Last modified September 17 13:36 EDT 2014. Contains 246846 sequences.