# A176806 (b-file synthesized from sequence entry)
0 1
1 0
2 2
3 3
4 6
5 20
6 35
7 105
8 238
9 588
10 1512
11 3630
12 9339
13 23166
14 58487
15 148148
16 373230
17 949416
18 2406248
19 6122142
20 15591856
21 39729000
22 101432982
23 259049230
24 662421643
25 1695149220
26 4341026900
27 11125755615
28 28530984915
29 73213888650
30 187980163110
31 482906682675