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2021-08-20, 15:09
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#67 |
"Vincent"
Apr 2010
Over the rainbow
2·3·11·43 Posts |
finding a certain specific chain of digit in the decimal part of pi. but can't remember wich
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2021-08-21, 12:16
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#68 | |
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Romulan Interpreter
"name field"
Jun 2011
Thailand
2·17·293 Posts |
Quote:
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2021-08-21, 13:03
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#69 | |
Feb 2017
Nowhere
10110100011002 Posts |
Quote:
Since a(n) is standard notation for OEIS sequences, I had tried such sequences related to digits of pi. The Wolfram Mathworld page on Pi Digits lists URLs of the the OEIS sequences a(n) for first occurrence of n consecutive decimal digits d, d = 0 to 9, in the decimal expansion of pi. The largest value of n in any of these, however, is n = 14, for d = 0, 5, 7, and 9. These are in the first 1.21 x 1013 digits. I suppose there might be a small chance of finding a(15) in one of these sequences among the first 6.28 x 1013 digits. |
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