# A297897 (b-file synthesized from sequence entry)
0 1
1 3
2 15
3 10
4 60
5 260
6 35
7 231
8 1050
9 4375
10 126
11 882
12 4140
13 17640
14 72324
15 462
16 3366
17 16170
18 70070
19 291060
20 1183644
21 1716
22 12870
23 62920
24 276276
25 1159704
26 4756752
27 19253520
28 6435
29 49335
30 244530
31 1085175
32 4594590
33 18981270
34 77297220
35 311949495
36 24310
37 189618
38 950300