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A117196 Prime numbers p such that the decimal expansion of p/pi(p) has only prime digits. 0
2, 11, 19, 23, 71, 863, 3989 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

71 is in the sequence because it is the 20th prime (pi(71)=20) and the decimal expansion of 71/20=3,55 has only prime digits.

CROSSREFS

Cf. A000720.

Sequence in context: A038930 A019375 A078784 * A304811 A064739 A112860

Adjacent sequences:  A117193 A117194 A117195 * A117197 A117198 A117199

KEYWORD

base,more,nonn

AUTHOR

Luc Stevens (lms022(AT)yahoo.com), Apr 21 2006

STATUS

approved

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Last modified February 21 23:29 EST 2019. Contains 320381 sequences. (Running on oeis4.)