A103511 Smallest prime > double factorial number A001147(n).

2, 5, 17, 107, 947, 10399, 135151, 2027033, 34459429, 654729139, 13749310577, 316234143227, 7905853580633, 213458046676877, 6190283353629379, 191898783962510743, 6332659870762850657, 221643095476699771957, 8200794532637891559553, 319830986772877770815629

Offset: 1

Author

Lei Zhou, Feb 15 2005

Keywords

• nonn

Examples

			1!!=1, 2 is the first prime greater than 1;
6!!=10395, 10399 is the first prime greater than 10395.
		

Crossrefs

Cf. A001147.

Programs

Mathematica

Table[NextPrime[(2n-1)!!],{n,20}] (* James C. McMahon, Jan 21 2024 *)

Extensions

a(19)-a(20) from James C. McMahon, Jan 21 2024