# A025198 (b-file synthesized from sequence entry)
1 1
2 2
3 5
4 13
5 35
6 97
7 285
8 877
9 2834
10 9564
11 33627
12 122806
13 464672
14 1817558
15 7334633
16 30482068
17 130254931
18 571484549
19 2571058232
20 11846898542
21 55849085590
22 269103224044
23 1324099844979
24 6647523600943
25 34025303476040
26 177434113736861