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A098038 Numbers p such that p = (prime(n)+ prime(n+2))/2 is prime for prime indices n=2, 3, 5... 0
5, 373, 593, 1223, 1511, 1747, 2903, 4409, 5113, 5387, 5563, 5807, 6317, 6367, 9871, 11933, 12653, 13043, 13177, 16097, 18223, 18731, 20347, 20731, 22073, 23893, 24077, 24677, 28069, 30097, 35317, 36313, 40283, 40471, 41479, 41603, 42187 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..38.

EXAMPLE

prime(73)+ prime(75) = 746. 746/2 = 373, the second term in the table.

PROG

(PARI) g(n, m) = forprime(x=1, n, y=(prime(x)+prime(x+m)); if(y%2==0&isprime(y/2), print1(y\2", ")))

CROSSREFS

Sequence in context: A237430 A160193 A215437 * A072172 A278364 A214008

Adjacent sequences:  A098035 A098036 A098037 * A098039 A098040 A098041

KEYWORD

easy,nonn

AUTHOR

Cino Hilliard, Sep 10 2004

STATUS

approved

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Last modified March 26 10:18 EDT 2019. Contains 321491 sequences. (Running on oeis4.)