OFFSET
1,1
EXAMPLE
a(7) = 177777771.
MATHEMATICA
Table[FromDigits[Join[{1}, Flatten[IntegerDigits/@Table[n, {n}]], {1}]], {n, 15}] (* Harvey P. Dale, Apr 19 2013 *)
CROSSREFS
KEYWORD
easy,nonn,base
AUTHOR
Ctibor O. Zizka, Apr 19 2008
EXTENSIONS
More terms from Harvey P. Dale, Apr 19 2013
STATUS
approved