# A056302 (b-file synthesized from sequence entry)
1 1
2 1
3 2
4 5
5 11
6 39
7 125
8 532
9 2301
10 11010
11 54681
12 284023
13 1509851
14 8194902
15 45080652
16 250641356
17 1404374247
18 7917209005
19 44848645457
20 255055220735
21 1455247360000
22 8326191235902
23 47752990403133