

A058941


Numbers n such that 3 + (integer formed from first n digits after decimal point in Pi) is prime.


1




OFFSET

1,2


COMMENTS

No more terms below 10^3.  Patrick De Geest, Nov 25 2001


LINKS

Table of n, a(n) for n=1..7.
G. L. Honaker, Jr. and C. K. Caldwell, Prime Curios! 1415929


EXAMPLE

a(3) = 7 because 3 + 1415926 is prime.


CROSSREFS

Cf. A000796.
Sequence in context: A231580 A182408 A057298 * A287327 A020066 A024719
Adjacent sequences: A058938 A058939 A058940 * A058942 A058943 A058944


KEYWORD

base,nonn,hard


AUTHOR

G. L. Honaker, Jr., Jan 12 2001


EXTENSIONS

Term a(7) = 451 added by Patrick De Geest, Nov 25 2001


STATUS

approved



