id:A050254 - OEIS Search Results

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Starting positions of strings of 2 7's in the decimal expansion of Pi.

+0
2

559, 621, 625, 633, 739, 742, 890, 948, 954, 1066, 1087, 1179, 1261, 1307, 1545, 1589, 1590, 1591, 1630, 1704, 1953, 2049, 2173, 2212, 2325, 2337, 2471, 2672, 3057, 3074, 3111, 3278, 3282, 3806, 3941, 4143, 4208, 4345, 4441, 4575, 4576 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Index entries for sequences related to the number Pi` `Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.`
	MATHEMATICA	`q=8!; z=7; 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 Orlovsky (4vladimir(AT)gmail.com), Jun 19 2009]`
	CROSSREFS	`Sequence in context: A104809 A105979 A071393 this_sequence A139197 A136346 A100987` `Adjacent sequences: A050251 A050252 A050253 this_sequence A050255 A050256 A050257`
	KEYWORD	`nonn`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com)`

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

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