# A067698 (b-file synthesized from sequence entry)
1 2
2 3
3 4
4 5
5 6
6 8
7 9
8 10
9 12
10 16
11 18
12 20
13 24
14 30
15 36
16 48
17 60
18 72
19 84
20 120
21 180
22 240
23 360
24 720
25 840
26 2520
27 5040