# A108555 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 12
4 35
5 116
6 411
7 1482
8 5333
9 19030
10 67265
11 235704
12 819863
13 2834600
14 9752951
15 33428054
16 114228713
17 389419114
18 1325155261
19 4503031332
20 15285291851
21 51842203804
22 175719341971
23 595316455842
24 2016131645245
25 6826076021310