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 A049520 Starting index of a string of exactly 4 consecutive equal digits in decimal expansion of Pi. 6
 1590, 4752, 4903, 5242, 5323, 5864, 7965, 12487, 12701, 13391, 16733, 17989, 19438, 21881, 22754, 29505, 29869, 30797, 31901, 32428, 32479, 33108, 33173, 35458, 37231, 37323, 40793, 42096, 43155, 43406, 43524, 46513, 48666, 49056 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Digits 3,1,4,... are indexed 1,2,3,... LINKS MATHEMATICA Flatten[Position[Partition[RealDigits[Pi, 10, 50000][[1]], 6, 1], _?(Union[ Differences[Most[Rest[#]]]]=={0}&&First[Differences[#]]!=0 && Last[ Differences[#]]!=0&), {1}, Heads->False]]+1 (* Harvey P. Dale, Jun 02 2014 *) CROSSREFS Cf. A049514-A049523. Sequence in context: A224938 A083632 A224939 * A252085 A224948 A238075 Adjacent sequences:  A049517 A049518 A049519 * A049521 A049522 A049523 KEYWORD nonn,base AUTHOR STATUS approved

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Last modified June 23 05:11 EDT 2021. Contains 345395 sequences. (Running on oeis4.)