# A109192 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 13
5 34
6 91
7 247
8 678
9 1877
10 5233
11 14674
12 41349
13 117001
14 332260
15 946527
16 2703915
17 7743268
18 22223607
19 63909987
20 184121946
21 531318553
22 1535522513
23 4443815554
24 12876794147
25 37356832679
26 108494114718
27 315415738025