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A036974 Positions of the digit '7' in decimal expansion of Pi. +0
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; listen)
OFFSET

1,1

LINKS

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

MATHEMATICA

q=7!; a=RealDigits[Pi, 10, q]; lst={}; Do[b=a[[1]][[n]]; If[b==7, AppendTo[lst, n-1]], {n, 2, q}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Jun 19 2009]

CROSSREFS

Cf. A000720.

Sequence in context: A090690 A160026 A141555 this_sequence A045472 A141293 A120827

Adjacent sequences: A036971 A036972 A036973 this_sequence A036975 A036976 A036977

KEYWORD

base,nonn

AUTHOR

Nicolau C. Saldanha (nicolau(AT)mat.puc-rio.br)

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Last modified November 21 21:21 EST 2009. Contains 167310 sequences.


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