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Search: id:A152040
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| A152040 |
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Digit base ten of an "almost" BBP type solution in base 20 digits: a=Sum[(1/20^n)*(4/(10*n + 1) + (-2)/(10*n + 2) + (-3)/(10*n + 7) + 5/(10*n + 9)), {n, 0, Infinity}]. |
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+0
1
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| 3, 1, 4, 1, 5, 8, 3, 9, 3, 3, 1, 2, 8, 3, 8, 1, 0, 5, 4, 9, 6, 6, 0, 7, 3, 2, 3, 9, 0, 9, 3, 8, 4, 8, 3, 8, 1, 8, 1, 1, 4, 2, 3, 1, 7, 4, 8, 1, 2, 7, 4, 6, 8, 1, 0, 5, 3, 0, 0, 5, 4, 1, 9, 8, 7, 5, 3, 9, 3, 6, 6, 1, 1, 8, 8, 4, 7, 6, 4, 8, 7, 9, 0, 0, 8, 9, 3, 1, 2, 7, 1, 5, 5, 0, 8, 2, 9, 4, 6, 0, 3, 7, 9, 3, 3
(list; graph; listen)
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OFFSET
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0,1
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COMMENT
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The importance of such numbers comes from quantum cosmology: multi-universe theory. The idea is that other universe exist with just slightly different fundamental constants. This Pi' is off by -8.720461412092817*10^-6.
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FORMULA
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a=Sum[(1/20^n)*(4/(10*n + 1) + (-2)/(10*n + 2) + (-3)/(10*n + 7) + 5/(10*n + 9)), {n, 0, Infinity}].
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MATHEMATICA
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a = N[Sum[(1/20^n)*(4/(10*n + 1) + (-2)/(10*n + 2) + (-3)/(10*n + 7) + 5/(10*n + 9)), {n, 0, 200}], 200]; Table[Mod[Floor[a*10^n], 10], {n, 0, 200}]
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CROSSREFS
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Sequence in context: A029212 A035687 A166050 this_sequence A013705 A087478 A112602
Adjacent sequences: A152037 A152038 A152039 this_sequence A152041 A152042 A152043
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KEYWORD
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nonn
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AUTHOR
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Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Nov 21 2008
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