OFFSET
1,2
REFERENCES
R. L. Graham, D. E. Knuth and O. Patashnik, Concrete Mathematics. Addison-Wesley, Reading, MA, 1990, p. 122.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
EXAMPLE
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
EXTENSIONS
More terms from Matthew White (white_dawg_70(AT)hotmail.com), May 05 2003
STATUS
approved