A083617 Starting positions of strings of five 4's in the decimal expansion of Pi.

808650, 828499, 828500, 1159493, 1160895, 1218361, 1264270, 1264271, 1290645, 1364846, 1378434, 1394738, 1660588, 1691163, 1691164, 1780532, 2006297, 2038552, 2202740, 2341312, 2502895, 2558106, 2562163, 2932009, 3017406

Offset

1,1

Links

Table of n, a(n) for n=1..25.

Dave Andersen, Pi-Search Page

Eric Weisstein's World of Mathematics, Pi Digits.

Index entries for sequences related to the number Pi

Mathematica

$MaxPrecision=Infinity; Transpose[StringPosition[StringDrop[ToString[N[Pi, 10! ]], 2], "44444"]][[1]] (* Vladimir Joseph Stephan Orlovsky, Jun 19 2009 *)

Crossrefs

Cf. A083616 (four 4's), A083618 (six 4's).

Sequence in context: A186585 A270117 A178290 * A343082 A344239 A344240

Adjacent sequences: A083614 A083615 A083616 * A083618 A083619 A083620

Keyword

base,nonn

Author

Rick L. Shepherd, May 02 2003

Status

approved