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Search: id:A007449
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A007449 a(0) = 7, a(1) = 9; for n >= 0, a(2n+1) = a(2n-1)^2 - a(2n-2), a(2n+2) = a(2n)^2 - a(2n+1).
(Formerly M4337)
+0
1
7, 9, 40, 74, 1526, 5436, 2323240, 29548570, 5397414549030, 873117986721660, 29132083813207600287219240, 762335018736884842676898606570, 848678307299752276902028307632840866100214927571030 (list; graph; listen)
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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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