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A000663
Number of relations on an infinite set.
(Formerly M1932 N0763)
0
1, 2, 9, 37, 183, 933, 5314, 32043, 207212, 1415934, 10200289, 77018442, 607474564, 4987909231, 42519634303, 375395726926
OFFSET
0,2
COMMENTS
See the lowest row in the table given on top of page 66 in the Oberschelp reference.
REFERENCES
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).
LINKS
CROSSREFS
Sequence in context: A150991 A150992 A151310 * A364088 A218942 A218943
KEYWORD
nonn,nice,more
EXTENSIONS
More terms from Vladeta Jovovic, Jan 10 2000
STATUS
approved