# This is the b003681.txt text file.
# A003681 a(n) = min ( p +- q > 1 : pq = Product a(k), k = 1.. n-1). 
# Revised as of 10 August 2010. (Reformatted 20 July 2014)
# a(19) added by Sean A. Irvine (30 July 2015).
1 2
2 3
3 5
4 7
5 11
6 13
7 17
8 107
9 197
10 3293
11 74057
12 1124491
13 1225063003
14 48403915086083
15 229199690093487791653
16 139394989871393443893426292667
17 2310767115930351361890156080500119173238113
18 521722354210765171422123515738862106081757768167379798858040637
19 1534792678695934101761205820819894872273421747436946237490357116316260589399638750590278324523