# A025080 (b-file synthesized from sequence entry)
1 2
2 3
3 8
4 12
5 28
6 38
7 73
8 95
9 170
10 206
11 352
12 426
13 715
14 827
15 1368
16 1602
17 2630
18 3028
19 4943
20 5461