A050272 - OEIS

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A050272

Starting positions of strings of 2 9's in the decimal expansion of Pi.

44, 79, 459, 705, 747, 762, 763, 764, 765, 766, 777, 1063, 1073, 1385, 1395, 1428, 1477, 1532, 1730, 1981, 2000, 2071, 2114, 2218, 2241, 2285, 2335, 2436, 2644, 2796, 2910, 2949, 2950, 3089, 3217, 3294, 3508, 3564, 3570, 3673, 3678, 3710 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	LINKS	`Table of n, a(n) for n=1..42.` `Index entries for sequences related to the number Pi` `Eric Weisstein's World of Mathematics, Pi Digits`
	MATHEMATICA	`q=8!; z=9; a=RealDigits[Pi, 10, q]; lst={}; Do[b=a[[1]][[n]]; c=a[[1]][[n+1]]; If[b==z&&c==z, AppendTo[lst, n-1]], {n, q-1}]; lst [From Vladimir Joseph Stephan Orlovsky, Jun 19 2009]`
	CROSSREFS	`Sequence in context: A039386 A043209 A043989 * A112721 A195816 A118087` `Adjacent sequences: A050269 A050270 A050271 * A050273 A050274 A050275`
	KEYWORD	`nonn,base`
	AUTHOR	`Eric W. Weisstein`
	STATUS	`approved`

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Last modified May 20 11:16 EDT 2013. Contains 225459 sequences.