OFFSET
1,1
EXAMPLE
a(2) = 49, a(3) = 1849 = 43^2 is obtained by prefixing 18 =3*6, to 49.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Sep 21 2003
EXTENSIONS
More terms from David Wasserman, Jul 01 2005
STATUS
approved