

A048835


Decimal expansion of Sum_{n >= 2} (1/Product_{i >= 2} K(i)) where K(n) is the Kempner function A002034.


1



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
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OFFSET

0,1


REFERENCES

I. Cojocaru, S. Cojocaru, The Third and Fourth Constants of Smarandache, Smarandache Notions Journal, Vol. 7, No. 123, 1996, 121126.


LINKS

Table of n, a(n) for n=0..99.
Eric Weisstein's World of Mathematics, Smarandache Constants


EXAMPLE

0.719960700043708...


PROG

(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)  Franklin T. AdamsWatters, Apr 18 2006


CROSSREFS

Sequence in context: A200500 A199669 A197019 * A124970 A251768 A178034
Adjacent sequences: A048832 A048833 A048834 * A048836 A048837 A048838


KEYWORD

nonn,cons


AUTHOR

Charles T. Le (charlestle(AT)yahoo.com)


EXTENSIONS

More terms from Franklin T. AdamsWatters, Apr 18 2006


STATUS

approved



