OFFSET
1,1
COMMENTS
k-6, k, k+6, and k+12 are consecutive primes.
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
FORMULA
a(n) = A033451(n) + 6.
CROSSREFS
KEYWORD
nonn
AUTHOR
Juri-Stepan Gerasimov, Mar 01 2010
EXTENSIONS
Corrected and rewritten by Charles R Greathouse IV, Mar 19 2010
STATUS
approved