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 A036974 Positions of the digit '7' in decimal expansion of Pi. 21
 13, 29, 39, 47, 56, 66, 96, 99, 120, 139, 156, 166, 209, 224, 232, 235, 242, 288, 299, 301, 306, 320, 343, 351, 405, 407, 412, 429, 439, 452, 458, 463, 468, 475, 478, 486, 506, 538, 540, 544, 548, 556, 559, 560, 567, 569, 575, 577, 584, 591, 609, 621, 622 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS In the first 400 digits of Pi, 7 is rare and only appears 24 times. In the next 250 digits of Pi, 7 is common and appears 38 times. - Bobby Jacobs, Oct 18 2016 LINKS Bobby Jacobs, Pirotechnics Eric Weisstein's World of Mathematics, Pi Digits EXAMPLE 3.141592653589(7)932384626433832(7)950288419(7)1693993(7)510 58209(7)494459230(7)81640628620899862803482534211(7)06(7)9 8214808651328230664(7)093844609550582231(7)25359408128 48111(7)450284102(7)0193852110555964462294895493038196 44288109(7)56659334461284(7)5648233(7)86(7)831652(7)12019091 4564856692346034861045432664821339360(7)2602491412(7)3 (7)2458(7)0066063155881(7)4881520920962829254091(7)1536436 (7)8925903600113305305488204665213841469519415116094 3305(7)2(7)0365(7)5959195309218611(7)381932611(7)93105118548 0(7)44623(7)9962(7)4956(7)351885(7)52(7)2489122(7)93818301194912 98336(7)3362440656643086021394946395224(7)3(7)190(7)021(7)98 60943(7)02(77)053921(7)1(7)62931(7)6(7)523846(7)481846(7)669405132 00056812(7)14526356082(77)85(77)1342(7)5(77)896091(7)363(7)1(7)8(7)... MATHEMATICA Flatten@Position[RealDigits[Pi - 3, 10, 500][[1]], 7] (* Robert G. Wilson v, Mar 07 2011 *) CROSSREFS Cf. A000796. Sequence in context: A090690 A160026 A141555 * A045472 A240950 A141293 Adjacent sequences:  A036971 A036972 A036973 * A036975 A036976 A036977 KEYWORD base,nonn AUTHOR Nicolau C. Saldanha (nicolau(AT)mat.puc-rio.br) STATUS approved

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Last modified July 18 10:35 EDT 2019. Contains 325138 sequences. (Running on oeis4.)