OFFSET
1,1
COMMENTS
Where (257, 263), (1747, 1753), (5387, 5393), (6317, 6323), (6367, 6373),.. are twin balanced prime pairs.
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
FORMULA
a(n) = (A173892(n)+3)/10. - R. J. Mathar, Apr 25 2010
CROSSREFS
KEYWORD
nonn
AUTHOR
Juri-Stepan Gerasimov, Mar 01 2010
EXTENSIONS
Corrected following the corrected A173892. R. J. Mathar, Apr 25 2010
STATUS
approved