# A193021 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 9
5 19
6 42
7 93
8 205
9 453
10 1003
11 2221
12 4918
13 10892
14 24126
15 53442
16 118384
17 262248
18 580946
19 1286953
20 2850965
21 6315712
22 13991153
23 30994539
24 68662111
25 152107038
26 336962513
27 746472721
28 1653660451
29 3663352982
30 8115423952
31 17978094917