A083638 Starting positions of strings of four 8's in the decimal expansion of Pi.

4751, 30796, 59550, 60822, 62383, 65576, 70082, 76137, 76776, 84865, 108052, 114995, 115117, 129780, 132676, 138681, 179065, 179167, 183226, 195130, 213245, 213246, 216140, 222299, 222300, 222301, 235635, 264148, 280212, 281452, 284420

Offset

1,1

Links

Table of n, a(n) for n=1..31.

Index entries for sequences related to the number Pi

Dave Andersen, Pi-Search Page

Eric Weisstein's World of Mathematics, Pi Digits.

Mathematica

Transpose[StringPosition[StringDrop[ToString[N[Pi, 9! ]], 2], "8888"]][[1]] (* Vladimir Joseph Stephan Orlovsky, Jun 19 2009 *)

Crossrefs

Cf. A083637 (three 8's), A083639 (five 8's).

Sequence in context: A252226 A252204 A083637 * A237553 A250467 A183267

Adjacent sequences: A083635 A083636 A083637 * A083639 A083640 A083641

Keyword

base,nonn

Author

Rick L. Shepherd, May 05 2003

Status

approved