A049515 Starting index of a string of 3 or more consecutive equal digits in decimal expansion of Pi.

154, 178, 602, 763, 764, 765, 766, 856, 984, 1233, 1451, 1590, 1591, 1599, 1699, 1736, 1890, 2279, 2360, 2377, 2441, 2675, 2708, 2929, 2950, 3152, 3435, 3477, 3504, 3810, 3867, 3993, 4001, 4176, 4256, 4436, 4509, 4576, 4752, 4753, 4794, 4903, 4904, 4924

Offset

1,1

Comments

Digits 3,1,4,... are indexed 1,2,3,...

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

ConsecutiveOccurrences1[alist_, n_] := Flatten @ Position[ Apply[ SameQ, Partition[ alist, n, 1], {1}], True]; ConsecutiveOccurrences1[ First[ RealDigits[Pi, 10, 4928]], 3]
SequencePosition[RealDigits[Pi, 10, 5000][[1]], {x_, x_, x_}][[All, 1]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Apr 19 2019 *)

Crossrefs

Cf. A049514, A049516, A049517, A049518, A049519, A049520, A049521, A049522, A049523.

Sequence in context: A281857 A278708 A206266 * A049519 A214475 A327775

Adjacent sequences: A049512 A049513 A049514 * A049516 A049517 A049518

Keyword

nonn,base

Author

Harvey P. Dale

Extensions

Edited by Robert G. Wilson v, May 09 2003

Status

approved