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Search: id:A081368
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| A081368 |
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Next n digits of e, base of the natural logarithms. |
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+0
4
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| 2, 71, 828, 1828, 45904, 5235360, 2874713, 52662497, 757247093, 6999595749, 66967627724, 76630353547, 5945713821785, 25166427427466, 391932003059921, 8174135966290435, 72900334295260595, 630738132328627943
(list; graph; listen)
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OFFSET
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1,1
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REFERENCES
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M. J. Halm, More Sequences, Mpossibilities 83, April 2003.
C. A. Pickover, Wonders of Numbers, p. 302
Clifford A. Pickover, A Passion for Mathematics, Wiley, 2005; see p. 65.
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LINKS
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M. J. Halm, Sequences
C. A. Pickover, "Wonders of Numbers, Adventures in Mathematics, Mind and Meaning," Zentralblatt review
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FORMULA
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a(n) = [e*10^(n*(n + 1)/2 - 1)] - [e*10^((n - 1)*n/2 - 1)]
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EXAMPLE
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a(2) = 71 because the second and third digits of e are 7 and 1
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CROSSREFS
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Sequence in context: A141908 A157368 A095935 this_sequence A071871 A055030 A053318
Adjacent sequences: A081365 A081366 A081367 this_sequence A081369 A081370 A081371
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KEYWORD
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easy,nonn,base
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AUTHOR
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Michael Joseph Halm (hierogamous(AT)lycos.com), Apr 20 2003
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