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A178587 Primes that are the average of the members of more than one emirp pair. 2
14741, 22727, 23327, 24547, 25447, 27067, 28277, 42929, 63541, 65761, 85453, 1217171, 1221221, 1227271, 1243421, 1245421, 1246471, 1250521, 1253521, 1257521, 1261571, 1271671, 1283771, 1327231, 1335331, 1338331, 1339381 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..27.

EXAMPLE

25477 is a prime equidistant between the members of each of the emirp pairs (10993, 39901), (13963, 36931), (17923, 32971), (18913, 31981).

CROSSREFS

Cf. A178581, A178588, A178589.

Sequence in context: A023333 A249464 A209513 * A178588 A089315 A202314

Adjacent sequences:  A178584 A178585 A178586 * A178588 A178589 A178590

KEYWORD

nonn,base

AUTHOR

Lekraj Beedassy, May 29 2010

EXTENSIONS

Extended by Ray Chandler, Jul 05 2010

a(12)-a(27) from Donovan Johnson, Jul 06 2010

STATUS

approved

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Last modified May 20 01:04 EDT 2022. Contains 353847 sequences. (Running on oeis4.)