|
REFERENCES
|
L. Comtet, Advanced Combinatorics, Reidel, 1974, p. 303, #42.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
|