OFFSET
1,2
LINKS
N. J. A. Sloane and others, Sequences of RADD type, OEIS wiki.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, May 06 2006
EXTENSIONS
a(9)-a(39) from Klaus Brockhaus, Jul 29 2006
a(40)-a(55) from Lars Blomberg, Jan 15 2018
STATUS
approved