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Search: id:A090485
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A090485 a(n) = Floor[(Exp[n/PrimePi[n]]-1)/Log[n]]. +0
1
9, 3, 4, 2, 3, 2, 3, 3, 4, 3, 4, 3, 3, 4, 4, 3, 4, 3, 3, 4, 4, 3, 4, 4, 5, 5, 6, 5, 5, 4, 5, 5, 5, 6, 7, 5, 6, 6, 7, 6, 6, 5, 5, 6, 6, 5, 6, 6, 6, 7, 7, 6, 7, 7, 7, 8, 8, 7, 8, 6, 7, 7, 8, 8, 9, 7, 8, 8, 9, 7, 8, 7, 7, 8, 8, 8, 9, 8, 8, 8, 9, 8, 8, 8, 9, 9, 10, 8, 9, 9, 9, 10, 10, 11, 11, 10, 10, 11, 11, 10 (list; graph; listen)
OFFSET

2,1

COMMENT

The Shannon signal power of the distribution of the Primes.

REFERENCES

C. E. Shannon, The Mathematical Theory of Communication, page 100.

MATHEMATICA

digits=200 f[n_]=Floor[(Exp[n/PrimePi[n]]-1)/Log[n]] a=Table[f[n], {n, 2, digits}]

CROSSREFS

Adjacent sequences: A090482 A090483 A090484 this_sequence A090486 A090487 A090488

Sequence in context: A019878 A097902 A139425 this_sequence A021521 A011011 A070634

KEYWORD

nonn

AUTHOR

Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Feb 01 2004

page 1

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.


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