# A198944 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 7
4 23
5 78
6 291
7 1126
8 4436
9 17910
10 73773
11 308188
12 1303402
13 5573133
14 24050795
15 104620985
16 458324429
17 2020417339
18 8956142180
19 39899217350
20 178549985024
21 802275736073
22 3618237414959
23 16373514195570
24 74325340129430
25 338356926399193
26 1544406450870590