# A176677 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 2
4 5
5 14
6 41
7 123
8 375
9 1158
10 3615
11 11393
12 36209
13 115940
14 373709
15 1211740
16 3949969
17 12937612
18 42558745
19 140547051
20 465799527
21 1548766044
22 5164917003
23 17271369744
24 57900615135
25 194558333460
26 655168354935
27 2210681734671