OFFSET
1,2
COMMENTS
a(4) is a term of the type concatenation of r+3, r+2, r+1, r where r = 30k.
The remaining terms are too large to display here. a(6) has 432 digits. a(7) has 3024 digits. [From David Wasserman, Apr 29 2009]
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Sep 07 2005
EXTENSIONS
More terms from David Wasserman, Apr 29 2009
STATUS
approved