OFFSET
1,1
COMMENTS
LINKS
Zhi-Wei Sun, Table of n, a(n) for n = 1..25
EXAMPLE
a(1) = 263 since C(2*5, 5) + prime(5) = 252 + 11 = 263 is prime, and those C(2*m, m) + prime(m) with 0 < m < 5 are composite.
MATHEMATICA
CROSSREFS
KEYWORD
nonn
AUTHOR
Zhi-Wei Sun, Jan 20 2014
STATUS
approved