# A033167 (b-file synthesized from sequence entry)
1 1
2 2
3 4
4 29
5 63
6 572
7 1556
8 2013
9 2530
10 2760
11 3019
12 4159
13 4741
14 6820
15 10565
16 11666
17 32859
18 139893
19 392130
20 707970
21 1049722
22 2081165
23 14990404
24 36112276
25 39552835
26 42710787
27 199618806