# A151417 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 14
5 40
6 122
7 380
8 1217
9 3967
10 13137
11 44053
12 149321
13 510735
14 1760687
15 6111171
16 21338857
17 74906438
18 264192659
19 935757437
20 3327107090
21 11870683108
22 42486960839
23 152506832992
24 548875377127
25 1980241926132
26 7160483990345
27 25946243999559
28 94199923539220
29 342620238726110
30 1248274347651947