OFFSET
1,2
COMMENTS
a(19) > 50000. - Robert Price, May 11 2019
MATHEMATICA
Do[f=Binomial[5n, n]+1; If[PrimeQ[f], Print[n]], {n, 1, 1000}]
CROSSREFS
KEYWORD
hard,more,nonn
AUTHOR
Alexander Adamchuk, Nov 25 2006
EXTENSIONS
More terms from Ryan Propper, Jan 05 2007
a(1)=0 prepended and a(13)-a(18) added by Robert Price, May 11 2019
STATUS
approved