A099340 Frequency of the hexadecimal 7 in the first 10^n hexadecimal digits of Pi.

0, 4, 53, 585, 6274, 62515, 625369, 6251231, 62504587, 625010556, 6249958503, 62499878794

Offset

1,2

Links

Table of n, a(n) for n=1..12.

http://pi2.cc.u-tokyo.ac.jp/pi-hexa_current.html, Statistical Distribution Information.

Mathematica

$MaxPrecision = 1100000; ph = Drop[ RealDigits[Pi, 16, 5*10^5] [[1]], 1]; Table[ Count[ Take[ph, 10^n], 7], {n, 5}]

Crossrefs

Cf. A099333, A099334, A099335, A099336, A099337, A099338, A099339, A099340, A099341, A099342, A099343, A099344, A099345, A099346, A099347, A099348.

Sequence in context: A214367 A241872 A109801 * A221605 A307172 A275801

Adjacent sequences: A099337 A099338 A099339 * A099341 A099342 A099343

Keyword

base,nonn

Author

Robert G. Wilson v, Oct 12 2004

Status

approved