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A111193 Numbers n such that floor(pi^n + e^n) is prime. 0
1, 2, 20, 21, 3087, 3284 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

No more terms through 10000.

EXAMPLE

floor(pi^20 + e^20) = 9255121991 is prime, hence 20 is a term.

MATHEMATICA

$MaxExtraPrecision = 10^6; Do[k = Floor[Pi^n + E^n]; If[PrimeQ[k], Print[n]], {n, 1, 10000}]

CROSSREFS

Sequence in context: A075031 A072998 A024629 * A136906 A022372 A112405

Adjacent sequences:  A111190 A111191 A111192 * A111194 A111195 A111196

KEYWORD

hard,nonn

AUTHOR

Ryan Propper (rpropper(AT)stanford.edu), Oct 23 2005

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Last modified February 15 21:56 EST 2012. Contains 205860 sequences.