OFFSET
0,1
EXAMPLE
a(1) = 11, 1 = 1.
a(2) = 167, 1+6 = 7
a(3) = 1427, 1+4+2 = 7.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Sep 30 2003
EXTENSIONS
More terms from David Wasserman, Aug 04 2005
STATUS
approved