

A102738


Numbers n such that 4*10^n  11 is prime.


0



1, 2, 3, 4, 5, 15, 35, 61, 256, 357, 628, 767, 1064, 1096, 6608
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,2


COMMENTS

Numbers corresponding to terms <= 767 are certified primes.  Klaus Brockhaus, Feb 16 2005
The next term is larger than 2500.  Stefan Steinerberger, Feb 18 2006


LINKS

Table of n, a(n) for n=1..15.


MATHEMATICA

For[n=1, n<2500, n++, If[PrimeQ[4*10^n11], Print[n]]] (* Stefan Steinerberger, Feb 18 2006 *)


PROG

(PARI) is(n)=ispseudoprime(4*10^n11) \\ Charles R Greathouse IV, Jun 13 2017


CROSSREFS

Sequence in context: A145029 A145030 A242948 * A098553 A132705 A177334
Adjacent sequences: A102735 A102736 A102737 * A102739 A102740 A102741


KEYWORD

more,nonn


AUTHOR

Tom Mueller (muel4503(AT)unitrier.de), Feb 08 2005


EXTENSIONS

a(9) to a(14) from Klaus Brockhaus, Feb 16 2005
One more term from Ryan Propper, Jul 21 2006


STATUS

approved



