OFFSET
1,1
COMMENTS
a(69) > 10^5 - Robert Price, Sep 15 2024
LINKS
Robert Price, Table of n, a(n) for n = 1..68
Ed Pegg Jr, Binomial Primes.
EXAMPLE
9999 * 20000!/(10000!)^2 + 1 is prime
PROG
(PARI) is(n)=ispseudoprime((n-1)*binomial(2*n, n)+1) \\ Charles R Greathouse IV, May 22 2017
CROSSREFS
KEYWORD
nonn
AUTHOR
Ed Pegg Jr, Jul 23 2003
EXTENSIONS
a(53)-a(68) from Robert Price, Sep 15 2024
STATUS
approved