# A176310 (b-file synthesized from sequence entry)
0 1
1 3
2 12
3 47
4 157
5 531
6 1741
7 5459
8 16814
9 51286
10 152506
11 447622
12 1300571
13 3721897
14 10551143
15 29663448
16 82494469
17 227701487
18 624113377
19 1697228926
20 4586879327
21 12323255188
22 32904418872
23 87395198231
24 230972180615
25 607363842960