# A239311 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 2
4 5
5 11
6 26
7 66
8 180
9 512
10 1524
11 4734
12 15291
13 51200
14 177256
15 633102
16 2328306
17 8801492
18 34147724
19 135789397
20 552761344
21 2300896695
22 9783811169
23 42459259013
24 187899387609
25 847288609443
26 3890278628308
27 18175510564018
28 86354070880785
29 416985884011492