# A228952 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 14
4 38
5 92
6 216
7 518
8 1165
9 2641
10 5981
11 13215
12 28880
13 62481
14 133539
15 281878
16 595867
17 1257995
18 2656439
19 5585174
20 11751388
21 24708442
22 51644779
23 107729838
24 224507391
25 467923765
26 971364960
27 2016542071