A083638 - OEIS

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A083638

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

2

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

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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: A252204 A374502 A083637 * A237553 A250467 A183267

Adjacent sequences: A083635 A083636 A083637 * A083639 A083640 A083641

KEYWORD

base,nonn

AUTHOR

Rick L. Shepherd, May 05 2003

STATUS

approved