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A016029
a(1) = a(2) = 1, a(2n + 1) = 2*a(2n) and a(2n) = 2*a(2n - 1) + (-1)^n.
+0
3
1, 1, 2, 5, 10, 19, 38, 77, 154, 307, 614, 1229, 2458, 4915, 9830, 19661, 39322, 78643, 157286, 314573, 629146, 1258291, 2516582, 5033165, 10066330, 20132659, 40265318, 80530637, 161061274, 322122547, 644245094
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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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