A004608 - OEIS

A004608

Expansion of Pi in base 9.

3, 1, 2, 4, 1, 8, 8, 1, 2, 4, 0, 7, 4, 4, 2, 7, 8, 8, 6, 4, 5, 1, 7, 7, 7, 6, 1, 7, 3, 1, 0, 3, 5, 8, 2, 8, 5, 1, 6, 5, 4, 5, 3, 5, 3, 4, 6, 2, 6, 5, 2, 3, 0, 1, 1, 2, 6, 3, 2, 1, 4, 5, 0, 2, 8, 3, 8, 6, 4, 0, 3, 4, 3, 5, 4, 1, 6, 3, 3, 0, 3, 0, 8, 6, 7, 8, 1, 3, 2, 7, 8, 7, 1, 5, 8, 8, 5, 3, 6, 8, 1, 3, 6, 5, 3

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

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

Steve Pagliarulo, Stu's pi page: base 9 (23 pages) [Capture on Wayback Machine]

Steve Pagliarulo, Stu's pi page: base 9 (recovered link)

EXAMPLE

3.12418812407442788645177761731035828516...

MATHEMATICA

RealDigits[Pi, 9, 105][[1]]

Table[ResourceFunction["NthDigit"][Pi, n, 9], {n, 1, 105}] (* Joan Ludevid, Oct 09 2022 easy to compute a(10000000)=5 with this function; requires Mathematica 12.0+ *)

CROSSREFS

Pi in base b: A004601 (b=2), A004602 (b=3), A004603 (b=4), A004604 (b=5), A004605 (b=6), A004606 (b=7), A006941 (b=8), this sequence (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: A073892 A280348 A332397 * A366936 A201673 A343764

Adjacent sequences: A004605 A004606 A004607 * A004609 A004610 A004611

KEYWORD

nonn,base,cons,easy

AUTHOR

N. J. A. Sloane

EXTENSIONS

More terms from Robert G. Wilson v, Oct 20 2002

STATUS

approved