A004604 Expansion of Pi in base 5.

3, 0, 3, 2, 3, 2, 2, 1, 4, 3, 0, 3, 3, 4, 3, 2, 4, 1, 1, 2, 4, 1, 2, 2, 4, 0, 4, 1, 4, 0, 2, 3, 1, 4, 2, 1, 1, 1, 4, 3, 0, 2, 0, 3, 1, 0, 0, 2, 2, 0, 0, 3, 4, 4, 4, 1, 3, 2, 2, 1, 1, 0, 1, 0, 4, 0, 3, 3, 2, 1, 3, 4, 4, 0, 0, 4, 3, 2, 4, 4, 4, 0, 1, 4, 4, 1, 0, 4, 2, 3, 3, 4, 1, 3, 3, 0, 1, 1, 3, 2

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• base
• cons
• easy

Examples

			3.03232214303343241124122404140231421114...
		

Links

• G. C. Greubel, Table of n, a(n) for n = 1..10000
• Wadim Zudilin, A BBP-style computation for π in base 5, arXiv:2409.10097 [math.NT], 2024.

Crossrefs

Pi in base b: A004601 (b=2), A004602 (b=3), A004603 (b=4), this sequence (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).

Cf. A007514.

Programs

Mathematica

RealDigits[Pi, 5, 100][[1]]
Table[ResourceFunction["NthDigit"][Pi, n, 5], {n, 1, 100}] (* Joan Ludevid, Aug 17 2022;easy to compute a(10000000)=0 with this function;requires Mathematica 12.0+ *)