# A018690 (b-file synthesized from sequence entry)
1 1
2 2
3 3
4 4
5 6
6 8
7 9
8 12
9 16
10 18
11 24
12 27
13 32
14 36
15 48
16 54
17 72
18 96
19 108
20 144
21 216
22 288
23 432
24 864