OFFSET
1,1
LINKS
L. Stevens, Prime ensembles
EXAMPLE
17 is in the sequence because the sum of the digits (8) is a composite number. 449 is in the sequence because the sum of the digits (17) is another prime soloist.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Luc Stevens (lms022(AT)yahoo.com), May 27 2006
EXTENSIONS
Corrected by T. D. Noe, Oct 25 2006
STATUS
approved