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Search: id:A079300
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| A079300 |
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a(n) = the number of minimal addition chains ending in n. |
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+0
5
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| 1, 1, 1, 1, 2, 2, 5, 1, 3, 4, 15, 3, 10, 14, 4, 1, 2, 7, 33, 6, 29, 40, 4, 4, 14, 24, 5, 23, 132, 12, 77, 1, 2, 4, 43, 12, 39, 92, 20, 8, 23, 84, 4, 69, 14, 8, 220, 5, 12, 36, 4, 38, 205, 16, 156, 32, 173, 352, 37, 24, 91, 233, 87, 1, 2, 4, 23, 6, 29, 134, 1258, 18, 49, 104, 32
(list; graph; listen)
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OFFSET
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1,5
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LINKS
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D. W. Wilson, Table of n, a(n) for n = 1..1024
Eric Weisstein's World of Mathematics, Addition Chain
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EXAMPLE
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7 has a(7) = 5 minimal addition chains: (1,2,3,4,7), (1,2,3,5,7), (1,2,3,6,7), (1,2,4,5,7), (1,2,4,6,7).
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CROSSREFS
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Sequence in context: A016586 A073690 A079301 this_sequence A128932 A071950 A068762
Adjacent sequences: A079297 A079298 A079299 this_sequence A079301 A079302 A079303
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KEYWORD
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nonn
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AUTHOR
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David W Wilson (davidwwilson(AT)comcast.net), Feb 09 2003
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EXTENSIONS
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More terms from Don Reble (djr(AT)nk.ca), Mar 31 2006
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