# A028830 (b-file synthesized from sequence entry)
0 1
1 2
2 3
3 4
4 5
5 6
6 7
7 8
8 9
9 10
10 11
11 12
12 14
13 15
14 16
15 18
16 20
17 23
18 24
19 28
20 30