OFFSET
1,2
EXAMPLE
For n = 2, A123112(2)^2 = 6^2 = 36 = 17 + 19 = prime(7) + prime(8). Thus a(2) = 7.
CROSSREFS
KEYWORD
more,nonn
AUTHOR
Alexander Adamchuk, Jun 26 2009
EXTENSIONS
Definition brushed, a(6) added, a(7) from D. Johnson - R. J. Mathar, Sep 16 2009
a(8) and a(9) from Max Alekseyev, Sep 18 2009
STATUS
approved