# A099598 (b-file synthesized from sequence entry)
0 1
1 2
2 4
3 8
4 19
5 50
6 162
7 576
8 2469
9 11218
10 59984
11 331432
12 2120663
13 13784290
14 102616622
15 766648128
16 6507054537
17 54919451490
18 523342287196
19 4923469621256
20 52040350449307
21 539901936037202
22 6268123599148282