# A088456 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 9
5 22
6 56
7 146
8 387
9 1039
10 2819
11 7717
12 21287
13 59105
14 165038
15 463089
16 1304945
17 3690970
18 10474213
19 29811119
20 85070660
21 243340754
22 697571153
23 2003636629
24 5765473829
25 16617825248
26 47971281916
27 138677926537