# A149216 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 10
4 42
5 136
6 594
7 2142
8 9669
9 36983
10 170702
11 678033
12 3178156
13 12960483
14 61428141
15 255417323
16 1220640672
17 5151889022
18 24776988418
19 105826225847
20 511470203676
21 2205862516479
22 10703248215557
23 46535014900193
24 226518790021613
25 991596972703300
26 4839515407094849
27 21309760209644446