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Search: id:A160229
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| A160229 |
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Write Pi-3 in binary and report the number of ones in the first 10^n decimal places. |
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+0
2
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OFFSET
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1,1
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FORMULA
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A160228(n)+A160229(n)=A011557(n) for n=1...
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MATHEMATICA
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f[n_] := Count[ RealDigits[Pi - 3, 2, 10^n - 2][[1]], 1] + 2; Do[ Print[{n, f@n}], {n, 8}]
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CROSSREFS
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Cf. A004601, A011557, A160229.
Sequence in context: A092698 A035604 A108033 this_sequence A012807 A127186 A139747
Adjacent sequences: A160226 A160227 A160228 this_sequence A160230 A160231 A160232
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KEYWORD
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base,nonn
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com), May 04 2009
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