

A076130


Out of all the ndigit primes, which one takes the longest time to appear in the digits of Pi (ignoring the initial 3)? The answer is A076106(n) and the position where this prime appears is a(n).


1




OFFSET

1,1


LINKS

Table of n, a(n) for n=1..6.
Carlos Rivera, Puzzle 40. The Pi Prime Search Puzzle (by Patrick De Geest), The Prime Puzzles and Problems Connection.


EXAMPLE

Of all the 2digit primes, 11 to 97, the last one to appear in Pi is 73, at position 299 (see A076106).  N. J. A. Sloane, Nov 28 2019


CROSSREFS

Cf. A047658, A076094, A076129, A076106.
Sequence in context: A023357 A165218 A317632 * A035272 A296319 A009119
Adjacent sequences: A076127 A076128 A076129 * A076131 A076132 A076133


KEYWORD

nonn,base,more


AUTHOR

JeanChristophe Colin (jccolin(AT)wanadoo.fr), Oct 31 2002


EXTENSIONS

Edited by Charles R Greathouse IV, Aug 02 2010
Definition clarified by N. J. A. Sloane, Nov 28 2019


STATUS

approved



