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A090434 a(n) = if Floor[(2*Pi/E)*m^2] is prime then Floor[(2*Pi/E)*m^2] 0
2, 83, 113, 1019, 2221, 4273, 9467, 13001, 15923, 19141, 19991, 34403, 60661, 62929, 67589, 74891, 79967, 82567, 83443, 86993, 107843, 109849, 115979, 117017, 123341, 151483, 189067, 197083, 233743, 242647, 244147, 254777, 362473, 384773, 419473 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

N=n entropy power white noise as a prime sequence.

REFERENCES

C. E. Shannon, The Mathematical Theory of Communication, page 93

LINKS

Table of n, a(n) for n=1..35.

MATHEMATICA

digits=5*200 f[n_]=Floor[(2*Pi/E)*n^2] a=Delete[Union[Table[If [PrimeQ[f[n]]==True, f[n], 0], {n, 1, digits}]], 1]

CROSSREFS

Sequence in context: A285689 A139867 A260674 * A062603 A007353 A108312

Adjacent sequences:  A090431 A090432 A090433 * A090435 A090436 A090437

KEYWORD

nonn

AUTHOR

Roger L. Bagula, Jan 31 2004

STATUS

approved

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Last modified November 17 16:08 EST 2019. Contains 329241 sequences. (Running on oeis4.)