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Search: id:A087815
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| A087815 |
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Terms in A087816 that occur in a run of length more than 1. |
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+0
2
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| 1, 2, 4, 5, 8, 9, 10, 12, 16, 17, 18, 19, 21, 22, 24, 27, 32, 33, 34, 35, 36, 38, 39, 40, 42, 43, 45, 48, 49, 51, 54, 58, 64, 65, 66, 67, 68, 69, 71, 72, 73, 74, 76, 77, 78, 80, 81, 83, 86, 87, 88, 90, 91, 93, 96, 97, 99, 102, 106, 107, 109, 112, 116, 121, 128
(list; graph; listen)
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OFFSET
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1,2
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MATHEMATICA
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hg[n_Integer?Positive] := hg[n] =hg[hg[n-1]] + hg[n -1- hg[n-1]] hg[1] = hg[2] = 1 digits=2^8 a=Table[hg[n], {n, 1, digits}] b=Table[If[a[[n]]-a[[n-1]]==0, a[[n]], 0], {n, 2, digits}]; c=Delete[Union[b], 1]
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CROSSREFS
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Cf. A055748, A087816.
Sequence in context: A035259 A047614 A131615 this_sequence A022549 A045704 A084581
Adjacent sequences: A087812 A087813 A087814 this_sequence A087816 A087817 A087818
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KEYWORD
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nonn
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AUTHOR
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Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Oct 05 2003
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