# A149749 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 17
4 81
5 317
6 1537
7 6553
8 32093
9 143493
10 706865
11 3253045
12 16084801
13 75439549
14 373966353
15 1777282613
16 8826387409
17 42353608637
18 210621679933
19 1018027136981
20 5067758038661
21 24632141537281
22 122716063253689
23 599102485940953
24 2986546886121353
25 14631911369167485
26 72976545797444585