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Search: id:A048835
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| A048835 |
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Decimal expansion of third Smarandache constant. |
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+0
2
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| 7, 1, 9, 9, 6, 0, 7, 0, 0, 0, 4, 3, 7, 0, 8, 0, 2, 2, 6, 7, 1, 7, 1, 2, 9, 0, 2, 8, 4, 0, 7, 8, 4, 4, 9, 4, 1, 3, 4, 1, 2, 4, 9, 0, 5, 6, 7, 4, 8, 9, 2, 6, 0, 1, 9, 1, 5, 1, 5, 3, 4, 0, 0, 4, 2, 0, 8, 8, 1, 8, 1, 1, 8, 4, 6, 0, 1, 4, 4, 5, 6, 5, 0, 6, 4, 7, 3, 8, 4, 9, 2, 3, 8, 5, 8, 5, 3, 8, 7, 7
(list; cons; graph; listen)
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OFFSET
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0,1
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REFERENCES
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I. Cojocaru, S. Cojocaru, The Third and Fourth Constants of Smarandache, Smarandache Notions Journal, Vol. 7, No. 1-2-3, 1996, 121-126.
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LINKS
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M. L. Perez et al., eds., Smarandache Notions Journal
Eric Weisstein's World of Mathematics, Smarandache Constants
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FORMULA
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Sum_{n >= 2} (1/Product_{i >= 2} S(i)) where S(n) is the Kempner-Smarandache function A002034.
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EXAMPLE
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Constant=0.719960700043708...
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PROGRAM
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(PARI) S(n)=local(m); if(isprime(n), n, m=1; while(m!%n!=0, m++); m S3(k)=local(v, i, p, y); v=vector(k, i, S(i)); p=1; y=0.; for(i=2, k, p*=v[i]; y+=1/p); y S3(200) - Frank Adams-Watters (FrankTAW(AT)Netscape.net), Apr 18 2006
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CROSSREFS
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Sequence in context: A117493 A021143 A086722 this_sequence A124970 A124886 A061195
Adjacent sequences: A048832 A048833 A048834 this_sequence A048836 A048837 A048838
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KEYWORD
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nonn,cons
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AUTHOR
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Charles T. Le (charlestle(AT)yahoo.com)
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EXTENSIONS
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More terms from Frank Adams-Watters (FrankTAW(AT)Netscape.net), Apr 18 2006
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