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A160229 Write Pi-3 in binary and report the number of ones in the first 10^n decimal places. 2
2, 40, 488, 4985, 50077, 499721, 5002607, 5000079 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..8.

FORMULA

A160228(n)+A160229(n)=A011557(n) for n=1...

MATHEMATICA

f[n_] := Count[ RealDigits[Pi - 3, 2, 10^n - 2][[1]], 1] + 2; Do[ Print[{n, f@n}], {n, 8}]

CROSSREFS

Cf. A004601, A011557, A160229.

Sequence in context: A035604 A180429 A108033 * A012807 A127186 A139747

Adjacent sequences:  A160226 A160227 A160228 * A160230 A160231 A160232

KEYWORD

base,nonn

AUTHOR

Robert G. Wilson v, May 04 2009

STATUS

approved

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Last modified May 22 06:32 EDT 2019. Contains 323478 sequences. (Running on oeis4.)