OFFSET
1,1
COMMENTS
Number of ways of writing 10^n as the sum of two odd primes, when the order matters.
Apart from a(1), equals 2*A065577(n).
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, based on email from R. J. Mathar, Nov 07 2006
EXTENSIONS
a(13) from Donovan Johnson, Nov 16 2009
STATUS
approved