# A130018 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 2
4 4
5 9
6 22
7 56
8 152
9 428
10 1257
11 3827
12 12023
13 38975
14 129801
15 443833
16 1554849
17 5572334
18 20409121
19 76283610
20 290737945
21 1128730320
22 4460079331
23 17924115817
24 73207479057
25 303691230784
26 1278796858227
27 5462983288161
28 23664467118878
29 103895077228910