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A167839 Five-times-isolated primes: primes p such that none of (p-10,p-8,p-6,p-4,p-2,p+2,p+4,p+6,p+8,p+10) are prime. 1
2, 211, 1511, 1847, 2179, 2503, 2579, 2633, 2819, 2939, 3137, 3271, 3433, 3659, 3967, 3989, 4111, 4177, 4409, 4621, 4691, 4703, 4831, 4889, 5039, 5209, 5261, 5623, 5939, 5953, 6619, 6637, 6883, 7057, 7283, 7369, 7393, 7433, 7621, 7741, 7841, 7853, 7963 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Essentially the same as A137872. [From R. J. Mathar, Dec 06 2009]

Includes almost all primes.

LINKS

Table of n, a(n) for n=1..43.

EXAMPLE

a(1)=2 (-8,-6,-4,-2,0,4,6,8,10,12 are nonprimes); a(2)=211 (201,203,205,207,209,213,215,217,219,221 are nonprimes).

CROSSREFS

Sequence in context: A167833 A167838 A106100 * A107612 A068814 A215641

Adjacent sequences:  A167836 A167837 A167838 * A167840 A167841 A167842

KEYWORD

nonn,less

AUTHOR

Juri-Stepan Gerasimov, Nov 13 2009

EXTENSIONS

1831 was incorrect. 3967 appeared twice. 4703, 5209 and 5261 were missing. Added more terms Dmitry Kamenetsky, Nov 30 2009

Editing and comment by Charles R Greathouse IV, Mar 25 2010

STATUS

approved

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Last modified June 19 00:04 EDT 2021. Contains 345125 sequences. (Running on oeis4.)