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A085945
Number of subsets of {1,2,..,n} with relatively prime elements.
+0
4
1, 2, 5, 11, 26, 53, 116, 236, 488, 983, 2006, 4016, 8111, 16238, 32603, 65243, 130778, 261566, 523709, 1047479, 2095988, 4192115, 8386418, 16772858, 33550058, 67100393, 134209001, 268418531, 536853986, 1073707991
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Maintained by
N. J. A. Sloane
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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.
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