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A001054
a(n) = a(n-1)a(n-2) - 1.
+0
1
0, 1, -1, -2, 1, -3, -4, 11, -45, -496, 22319, -11070225, -247076351776, 2735190806339469599, -675800965841611881515781657825, -1848444588685310753420392017318175868503407962176
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 4 15:11 EST 2009. Contains 170347 sequences.
AT&T Labs Research
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