login
A176810
Semiprimes of the form 2 * (greater of twin primes).
4
10, 14, 26, 38, 62, 86, 122, 146, 206, 218, 278, 302, 362, 386, 398, 458, 482, 542, 566, 626, 698, 842, 866, 926, 1046, 1142, 1202, 1238, 1286, 1322, 1622, 1646, 1658, 1718, 1766, 2042, 2066, 2102, 2126, 2186, 2306, 2462, 2558, 2582, 2606, 2642, 2858, 2906
OFFSET
1,1
FORMULA
a(n)=2*A006512(n).
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Corrected (122 inserted, 286 replaced by 386, 2202 replaced by 2102 etc.) by R. J. Mathar, Aug 12 2010
Definition corrected by Zak Seidov, May 06 2013
STATUS
approved