A068438 Expansion of Pi in base 13.

3, 1, 10, 12, 1, 0, 4, 9, 0, 5, 2, 10, 2, 12, 7, 7, 3, 6, 9, 12, 0, 11, 11, 8, 9, 12, 12, 9, 8, 8, 3, 2, 7, 8, 2, 9, 8, 3, 5, 8, 11, 3, 7, 0, 1, 6, 0, 3, 0, 6, 1, 3, 3, 12, 10, 5, 10, 12, 11, 10, 5, 7, 6, 1, 4, 11, 6, 5, 11, 4, 1, 0, 0, 2, 0, 12, 2, 2, 11, 4, 12, 7, 1, 4, 5, 7, 10, 9, 5, 5, 10, 5

Offset: 1

Author

Benoit Cloitre, Mar 09 2002

Keywords

• easy
• nonn
• base
• cons

Examples

			3.1ac1049052a2c77369c0aa89cc988327829835...
		

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), A004608 (b=9), A000796 (b=10), A068436 (b=11), A068437 (b=12), this sequence (b=13), A068439 (b=14), A068440 (b=15), A062964 (b=16), A060707 (b=60).

Cf. A007514.

Programs

Mathematica

RealDigits[Pi, 13, 111][[1]] (* slightly modified by Robert G. Wilson v, Dec 13 2017 *)
Table[ResourceFunction["NthDigit"][Pi, n, 13], {n, 1, 111}] (* Joan Ludevid, Oct 11 2022; easy to compute a(10000000)=1 with this function; requires Mathematica 12.0+ *)