# A150510 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 25
4 102
5 421
6 1833
7 8055
8 36333
9 165105
10 761383
11 3531580
12 16531186
13 77736848
14 367792638
15 1746466460
16 8329088373
17 39838754439
18 191165146280
19 919486724021
20 4433590609255
21 21419834806102
22 103687748482389
23 502743056244639
24 2441491903750180
25 11872958808117098
26 57814141613740897
27 281847208285495504