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A127195 Number of subsets of {1,2,...,n} which contain no three consecutive odd numbers. +0
1
2, 4, 8, 16, 28, 56, 104, 208, 384, 768, 1408, 2816, 5184, 10368, 19072, 38144, 70144, 140288, 258048, 516096, 949248, 1898496, 3491840, 6983680, 12845056, 25690112, 47251456, 94502912, 173817856, 347635712, 639401984, 1278803968 (list; graph; listen)
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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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