# A148128 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 11
5 26
6 75
7 226
8 694
9 2124
10 6964
11 22651
12 74306
13 252118
14 870230
15 2985640
16 10429931
17 36910773
18 130430664
19 465185889
20 1683090537
21 6096731410
22 22153416883
23 81263153490
24 298937740181
25 1101577014304
26 4090030072618
27 15254096109545
28 56942298278323
29 213478556276168
30 803556605025425
31 3028267343205841