OFFSET
1,1
COMMENTS
The next term, a(6), has 330 digits. [From Harvey P. Dale, Aug 10 2011]
REFERENCES
C. Pickover, Mazes for the Mind, St. Martin's Press, NY, 1992, p. 350.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
MATHEMATICA
NestList[FromDigits[IntegerDigits[#, 2]]&, 10, 5] (* Harvey P. Dale, Aug 10 2011 *)
CROSSREFS
KEYWORD
base,nonn
AUTHOR
EXTENSIONS
The next term is too large to include.
STATUS
approved