OFFSET
0,2
EXAMPLE
a(1)=9 and a(2)=37 are illustrated in A246314.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Aug 26 2014
EXTENSIONS
a(9) from Alois P. Heinz, Sep 01 2014
a(10)-a(12) from N. J. A. Sloane, Sep 04 2014
STATUS
approved