OFFSET
1,1
COMMENTS
Duplicate of A119613 - Georg Fischer, Oct 01 2018
FORMULA
EXAMPLE
If 10(composite)=5*2 and 5-2=3(prime), then 10=a(1). If 14(composite)=7*2 and 7-2=5(prime), then 14=a(2). If 15(composite)=5*3 and 5-3=2(prime), then 15=a(3). If 20(composite)=5*2*2 and 5-2=3(prime), 20=a(4), etc.
CROSSREFS
KEYWORD
dead
AUTHOR
Juri-Stepan Gerasimov, Jan 08 2009
EXTENSIONS
Corrected (62 inserted, 133 removed....) by R. J. Mathar, May 05 2010
STATUS
approved