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1, 4, 36, 355, 3549, 35495, 354942, 3549413, 35494123, 354941215, 3549412151, 35494121507, 354941215066, 3549412150655, 35494121506548, 354941215065477, 3549412150654758, 35494121506547571, 354941215065475694, 3549412150654756948
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OFFSET
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0,2
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COMMENTS
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if c = 0.3549412150654756947265447261312365125932387..., then a(n) =~ floor(c*10^n). This holds to n^7 +- 2.
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LINKS
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MATHEMATICA
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a[0] = 0; a[1] = 1; a[n_] := a[n] = Block[{p = 2^(Ceiling[Log[2, n]] - 1)}, a[p] + a[n - 1 - p]];
Table[a[10^n], {n, 0, 20}]
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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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