Double factorial primes from 1 to 10000

n!! + 1 or n!! - 1
2
3
7
47
383
Double factorial numbers ( +1 or -1 )
0
= 1!! - 1
 
= 1!! + 1
prime number
1
= 2!! - 1
 
= 2!! + 1
prime number
= 3!! - 1
prime number
4
= 3!! + 1
= 22
= 4!! - 1
prime number
9
= 4!! + 1
= 32
14
= 5!! - 1
= 2 * 7
16
= 5!! + 1
= 24
47
= 6!! - 1
prime number
49
= 6!! + 1
= 72
104
= 7!! - 1
= 23 * 13
106
= 7!! + 1
= 2 * 53
383
= 8!! - 1
prime number
385
= 8!! + 1
= 5 * 7 * 11
944
= 9!! - 1
= 24 * 59
946
= 9!! + 1
= 2 * 11 * 43
3839
= 10!! - 1
= 11 * 349
3841
= 10!! + 1
= 23 * 167