# A302180 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 7
4 23
5 71
6 251
7 883
8 3305
9 12505
10 48895
11 193755
12 783355
13 3205931
14 13302329
15 55764413
16 236174933
17 1008773269
18 4343533967
19 18834033443
20 82201462251
21 360883031291
22 1592993944723
23 7066748314147
24 31493800133173
25 140953938878821
26 633354801073571
27 2856369029213263