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A085613
a(n) = 2^(n-1) + (2 + (-1)^n)^((n-2)/2).
+0
1
2, 3, 5, 11, 17, 41, 65, 155, 257, 593, 1025, 2291, 4097, 8921, 16385, 34955, 65537, 137633, 262145, 543971, 1048577, 2156201, 4194305, 8565755, 16777217, 34085873, 67108865, 135812051, 268435457, 541653881, 1073741825
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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 27 22:38 EST 2009. Contains 167602 sequences.
AT&T Labs Research
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