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A186207 The first n-digit prime in the decimal expansion of 1/Pi. 0
3, 31, 379, 8861, 86183, 886183, 8861837, 98861837, 929148091, 3098861837, 83098861837, 183098861837, 8618379067153, 28724068919291, 830988618379067, 7906715377675267, 12897495334688117, 675267450287240689, 7675267450287240689, 83098861837906715377 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

1/Pi = 0.31830988618379067153....

LINKS

Table of n, a(n) for n=1..20.

MAPLE

Digits := 10000: p0 := evalf(1/Pi)*10:for d from 1 to 20 do: id:=0:for i from

  0 to 50000 while(id=0) do :q0:=trunc(p0*10^(i+d-1)): x:= irem(q0, 10^d): if type(x, prime)=true  and length(x)=d then printf(`%d, `, x):id:=1: else fi:od:od:

CROSSREFS

Cf. A049541 A104841.

Sequence in context: A051200 A274667 A136596 * A014178 A123818 A087591

Adjacent sequences:  A186204 A186205 A186206 * A186208 A186209 A186210

KEYWORD

nonn,base

AUTHOR

Michel Lagneau, Feb 15 2011

STATUS

approved

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Last modified August 13 11:30 EDT 2022. Contains 356091 sequences. (Running on oeis4.)