A076094 First n-digit prime encountered in decimal expansion of Pi (ignoring the initial 3).

5, 41, 653, 4159, 14159, 358979, 1592653, 28841971, 795028841, 5926535897, 93238462643, 141592653589, 9265358979323, 23846264338327, 841971693993751, 8628034825342117, 89793238462643383, 348253421170679821

Offset

1,1

Links

Table of n, a(n) for n=1..18.

C. Rivera, Prime puzzles

Mathematica

With[{pid=Rest[RealDigits[Pi, 10, 1000][[1]]]}, Table[Select[ FromDigits/@ Partition[ pid, n, 1], PrimeQ, 1], {n, 20}]]//Flatten (* Harvey P. Dale, May 01 2017 *)

Crossrefs

Cf. A047658, A076106, A076129.

Sequence in context: A139034 A104344 A100288 * A076131 A003719 A363884

Adjacent sequences: A076091 A076092 A076093 * A076095 A076096 A076097

Keyword

easy,nonn,base

Author

Jean-Christophe Colin (jc-colin(AT)wanadoo.fr), Oct 31 2002

Status

approved