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Search: id:A039624
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| A039624 |
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Numbers n such that there are equal numbers of 0's and 1's in first n digits of binary representation of Pi. |
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+0
1
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| 4, 6, 8, 16, 30, 32, 6356, 6358, 6360, 6362, 6364, 6368, 6370, 6372, 6374, 6384, 6430, 6442, 6444, 6446, 6450, 6464, 6468, 6470, 6508, 6514, 6524, 6526, 6562, 6564, 6568, 6570, 6572, 6586, 6588, 6688, 6690, 6692, 6694, 6806, 6866, 6916, 6918, 6920, 6922
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Number of terms >= 10^k: 3, 6, 6, 129, 599, 777, ..., . [From Robert G. Wilson v (rgwv(AT)rgwv.com), Apr 13 2009]
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LINKS
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Robert G. Wilson v, Table of n, a(n) for n = 1..777 .
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MATHEMATICA
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pir = RealDigits[Pi, 2, 10^6][[1]]; fQ[n_] := Count[ Take[ pir, 2n], 1] == n; 2 Select[ Range@ 3461, fQ@# &] [From Robert G. Wilson v (rgwv(AT)rgwv.com), Apr 13 2009]
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CROSSREFS
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Adjacent sequences: A039621 A039622 A039623 this_sequence A039625 A039626 A039627
Sequence in context: A079250 A055397 A049421 this_sequence A083166 A022599 A112160
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KEYWORD
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base,nonn
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AUTHOR
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Brian L. Galebach (sequence(AT)ProbabilitySports.com)
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EXTENSIONS
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More terms from Alex Healy (ahealy(AT)fas.harvard.edu), Jun 22 2001
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