

A178980


Where zeros occur in the 10 race in the binary expansion of pi3; that is, n such that A174832(n) = 0.


2



16, 18, 20, 22, 24, 26, 6374, 6376, 6378, 6380, 6450, 6452, 6454, 6456, 6458, 6460, 6572, 6574, 6576, 6578, 6580, 6582, 6588, 6590, 6596, 6682, 6684, 6924, 6926, 6928, 6934, 6936, 6958, 6960, 6966, 6974, 6976, 6990, 6994, 6998, 7012, 7014, 7016, 7018, 7020, 7048, 7050, 7052, 7056, 7330, 7332, 7374, 7376, 7404
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OFFSET

1,1


COMMENTS

"A pictorial representation of the first 20,000 digits of [Pi] in base 2. The curve drawn goes up every time a digit is 1, and down every time it is 0. Great complexity is evident. If the curve were continued further, it would spend more time above the axis, and no aspect of what is seen provides any evidence that the digit sequence is anything but perfectly random." NKS.


REFERENCES

Stephen Wolfram, A New Kind of Science, Wolfram Media, Inc., Champaign, IL, 2002, page 136.


LINKS

T. D. Noe, Table of n, a(n) for n = 1..1000
Wolfram Science, page 136 of NKS. (page requires cookies enabled).


MATHEMATICA

d=Drop[RealDigits[Pi, 2, 10^4+2][[1]], 2]; s=0; Reap[Do[If[d[[i]]==0, s, s++]; If[s==0, Sow[i]], {i, Length[d]}]][[2, 1]]


CROSSREFS

Sequence in context: A085096 A043675 A043705 * A031315 A077914 A273543
Adjacent sequences: A178977 A178978 A178979 * A178981 A178982 A178983


KEYWORD

nonn,base


AUTHOR

Robert G. Wilson v, Jan 02 2011


STATUS

approved



