# A046091 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 3
4 5
5 12
6 30
7 79
8 227
9 709
10 2318
11 8049
12 29372
13 112000
14 444855
15 1833072
16 7806724
17 34252145
18 154342391
19 712231465
20 3357126655
21 16119421175
22 78580665333