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A008933
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Number of strictly increasing addition chains of length n.
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4
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1, 1, 2, 6, 25, 135, 913, 7499, 73191, 833597, 10917343, 162402263, 2715430931, 50576761471, 1041203832858, 23529845888598
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OFFSET
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0,3
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REFERENCES
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M. Torelli, Increasing integer sequences and Goldbach's conjecture, preprint, 1996.
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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Mauro Torelli (torelli(AT)hermes.mc.dsi.unimi.it)
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EXTENSIONS
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More terms from David Bruce Wilson
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STATUS
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approved
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