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A168031 Primes p for which floor(E*p) is prime. 1
2, 5, 7, 11, 47, 89, 97, 113, 163, 227, 283, 367, 373, 431, 439, 503, 643, 823, 877, 887, 941, 991, 1013, 1049, 1093, 1303, 1327, 1439, 1523, 1567, 1609, 1879, 1901, 1949, 1951, 1993, 2113, 2179, 2221, 2347, 2399, 2411, 2477, 2503, 2591, 2689, 2711, 2797 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..1000

MATHEMATICA

Select[Prime[Range[6! ]], PrimeQ[Floor[E*# ]]&]

CROSSREFS

Sequence in context: A235468 A229209 A227613 * A260108 A265791 A039679

Adjacent sequences:  A168028 A168029 A168030 * A168032 A168033 A168034

KEYWORD

nonn

AUTHOR

Vladimir Joseph Stephan Orlovsky, Nov 17 2009

STATUS

approved

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Last modified April 15 07:59 EDT 2021. Contains 342975 sequences. (Running on oeis4.)