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A004602 Expansion of Pi in base 3. 29


%S 1,0,0,1,0,2,1,1,0,1,2,2,2,2,0,1,0,2,1,1,0,0,2,1,1,1,1,1,0,2,2,1,2,2,

%T 2,2,2,0,1,1,1,2,0,1,2,1,2,1,2,1,2,0,0,1,2,1,1,0,0,1,0,0,1,0,1,2,2,2,

%U 0,2,2,2,1,2,0,1,2,0,1,2,1,1,1,2,1,0,1,2,1,0,1,1,2,0,0,2,2,0,1

%N Expansion of Pi in base 3.

%H G. C. Greubel, <a href="/A004602/b004602.txt">Table of n, a(n) for n = 2..10000</a>

%H Steve Pagliarulo, <a href="http://members.shaw.ca/francislyster/pi/pistats/pibase3.pdf">Stu's pi page: base 3</a> (23 pages)

%F a(n) = floor(Pi*3^(n-3)) - 3*floor(Pi*3^(n-4)), n>1. - _G. C. Greubel_, Mar 09 2018

%t RealDigits[ N[ Pi, 105], 3] [[1]]

%Y Pi in base b: A004601 (b=2), this sequence (b=3), A004603 (b=4), A004604 (b=5), A004605 (b=6), A004606 (b=7), A006941 (b=8), A004608 (b=9), A000796 (b=10), A068436 (b=11), A068437 (b=12), A068438 (b=13), A068439 (b=14), A068440 (b=15), A062964 (b=16), A060707 (b=60).

%Y Cf. A007514.

%K nonn,base,cons,easy

%O 2,6

%A _N. J. A. Sloane_

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Last modified January 20 21:36 EST 2019. Contains 319336 sequences. (Running on oeis4.)