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A003115
a(0) = a(1) = 1; for n >= 2, a(n)=a(n-1)*4^[n/2]-a(n-2).
+0
1
1, 1, 3, 11, 173, 2757, 176275, 11278843, 2887207533, 739113849605, 756849694787987, 775013348349049083, 3174453917988010255981, 13002562473065541659449093, 213033980384251916560403683731
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.
AT&T Labs Research
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