# A101891 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 9
5 21
6 49
7 113
8 258
9 586
10 1329
11 3015
12 6845
13 15549
14 35330
15 80280
16 182413
17 414461
18 941669
19 2139477
20 4860898
21 11044006
22 25092157
23 57009871
24 129527609
25 294289401
26 668631458
27 1519143916
28 3451524785
29 7841931877
30 17817022873