# A006628 (b-file synthesized from sequence entry)
1 1
2 3
3 7
4 17
5 31
6 42
7 54
8 122
9 143
10 167
11 211
12 258
13 414
14 469
15 525
16 582
17 640
18 699
19 759
20 820
21 882
22 945
23 1009
24 1075
25 1458
26 1539
27 1621