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Search: id:A153030
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| A153030 |
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Positions of even digits of Pi |
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+0
1
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| 3, 7, 8, 12, 17, 19, 20, 21, 22, 23, 24, 27, 29, 33, 34, 35, 36, 37, 42, 51, 53, 54, 55, 58, 60, 61, 64, 66, 68, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 82, 83, 84, 85, 86, 88, 89, 90, 93, 94, 98, 99, 102, 103, 105, 106, 107, 108, 109, 113, 114, 115, 117, 118, 119, 120
(list; graph; listen)
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OFFSET
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1,1
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MATHEMATICA
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Flatten[Position[ Map[If[EvenQ[ # ], "*", # ] &, RealDigits[ N[Pi, 100]][[1]]], "*"]]
Select[Range@140, EvenQ[RealDigits[Pi, 10, 140][[1, # ]]] &] [From Robert G. Wilson v (rgwv(AT)rgwv.com), Dec 21 2008]
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CROSSREFS
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Sequence in context: A007970 A134258 A028972 this_sequence A031425 A063657 A108575
Adjacent sequences: A153027 A153028 A153029 this_sequence A153031 A153032 A153033
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KEYWORD
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nonn,base
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AUTHOR
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Julio Cesar de la Yncera (ynceraj(AT)gmail.com), Dec 17 2008
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EXTENSIONS
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I added a more concise Mathematica coding and extended the sequence. Robert G. Wilson v (rgwv(AT)rgwv.com), Dec 21 2008
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