# A099099 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 2
4 6
5 16
6 37
7 80
8 172
9 377
10 839
11 1874
12 4175
13 9274
14 20577
15 45665
16 101393
17 225193
18 500162
19 1110790
20 2466760
21 5477917
22 12164896
23 27015092
24 59993817
25 133231279
26 295872778
27 657057431
28 1459155634
29 3240410561
30 7196122817