OFFSET
1,4
COMMENTS
It would be nice to have a better description. - N. J. A. Sloane.
REFERENCES
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, S. K. Bhaskar [ bhaskar(AT)umd5.umd.edu ]
STATUS
approved