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A026380
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a(n) = T(n,[ n/2 ]), where T is the array in A026374.
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2
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1, 3, 4, 11, 17, 45, 75, 195, 339, 873, 1558, 3989, 7247, 18483, 34016, 86515, 160795, 408105, 764388, 1936881, 3650571, 9238023, 17501619, 44241261, 84179877, 212601015, 406020930, 1024642875, 1963073865, 4950790605
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OFFSET
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0,2
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LINKS
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FORMULA
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Davenport et al. give a g.f.
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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