OFFSET
1,1
COMMENTS
LINKS
Zhi-Wei Sun, Table of n, a(n) for n = 1..36
EXAMPLE
a(1) = 2 since C(2*1, 1) - prime(1) = 2 - 2 = 0 is not prime, but C(2*2, 2) - prime(2) = 6 - 3 = 3 is prime.
MATHEMATICA
n=0; Do[If[PrimeQ[Binomial[2m, m]-Prime[m]], n=n+1; Print[n, " ", m]], {m, 1, 10000}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Zhi-Wei Sun, Jan 21 2014
STATUS
approved