# A176954 (b-file synthesized from sequence entry)
0 1
1 2
2 1
3 2
4 3
5 9
6 27
7 92
8 313
9 1083
10 3753
11 13063
12 45581
13 159501
14 559549
15 1967878
16 6937267
17 24511653
18 86797683
19 308003549
20 1095155727
21 3901490015
22 13924590847
23 49784694997
24 178293760747
25 639543538859
26 2297555097259
27 8265957750659