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A006941 Expansion of Pi in base 8.
(Formerly M2208)
21
3, 1, 1, 0, 3, 7, 5, 5, 2, 4, 2, 1, 0, 2, 6, 4, 3, 0, 2, 1, 5, 1, 4, 2, 3, 0, 6, 3, 0, 5, 0, 5, 6, 0, 0, 6, 7, 0, 1, 6, 3, 2, 1, 1, 2, 2, 0, 1, 1, 1, 6, 0, 2, 1, 0, 5, 1, 4, 7, 6, 3, 0, 7, 2, 0, 0, 2, 0, 2, 7, 3, 7, 2, 4, 6, 1, 6, 6, 1, 1, 6, 3, 3, 1, 0, 4, 5, 0, 5, 1, 2, 0, 2, 0, 7, 4, 6, 1, 6, 1, 5, 0, 0, 2, 3 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

D. E. Knuth, The Art of Computer Programming. Addison-Wesley, Reading, MA, Vol. 1, p. 614.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..10000

Index entries for sequences related to the number Pi

FORMULA

a(n) = 4*A004601(3n) + 2*A004601(3n+1) + 1*A004601(3n+2). - Jason Kimberley, Nov 06 2012

MAPLE

convert(evalf(Pi), octal, 120);  # Alois P. Heinz, Dec 16 2018

MATHEMATICA

RealDigits[ N[ Pi, 105], 8] [[1]]

CROSSREFS

Pi in base b: A004601 (b=2), A004602 (b=3), A004603 (b=4), A004604 (b=5), A004605 (b=6), A004606 (b=7), this sequence (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).

Cf. A007514.

Sequence in context: A196057 A058395 A035694 * A076277 A130115 A191582

Adjacent sequences:  A006938 A006939 A006940 * A006942 A006943 A006944

KEYWORD

nonn,base,cons,easy,changed

AUTHOR

N. J. A. Sloane

EXTENSIONS

More terms from Michel ten Voorde, Apr 14 2001

STATUS

approved

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Last modified January 21 06:35 EST 2019. Contains 319348 sequences. (Running on oeis4.)