

A102891


Start of the first string of exactly n consecutive pairs of cousin primes.


0




OFFSET

1,1


LINKS

Table of n, a(n) for n=1..8.
Eric Weisstein's World of Mathematics, Cousin Primes


EXAMPLE

a(5) = 853 as the consecutive primes 853, 857, 859, 863, 877, 881, 883, 887, 907 and 911 form exactly five consecutive pairs (p, p+4) of cousin primes and no smaller string of consecutive primes has this property.


CROSSREFS

Cf. A087641 (similar for twin primes), A095969, A095970, A095971.
Sequence in context: A051323 A112506 A033387 * A145175 A196251 A246783
Adjacent sequences: A102888 A102889 A102890 * A102892 A102893 A102894


KEYWORD

more,nonn


AUTHOR

Rick L. Shepherd, Jan 16 2005


EXTENSIONS

a(6)a(8) from Donovan Johnson, Sep 03 2008


STATUS

approved



