# A354647 (b-file synthesized from sequence entry)
0 1
1 0
2 1
3 3
4 9
5 25
6 78
7 256
8 881
9 3064
10 10831
11 38766
12 140550
13 514625
14 1900301
15 7067013
16 26448613
17 99539716
18 376489459
19 1430330451
20 5455742957
21 20885223619
22 80213926069
23 309002022843
24 1193616950854
25 4622372591972
26 17942238661229
27 69795082381496
28 272046051362013