# A056294 (b-file synthesized from sequence entry)
1 1
2 2
3 3
4 7
5 12
6 43
7 126
8 539
9 2304
10 11023
11 54682
12 284071
13 1509852
14 8195029
15 45080666
16 250641895
17 1404374248
18 7917211349
19 44848645458
20 255055231763
21 1455247360128
22 8326191290585
23 47752990403134