# A150335 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 23
4 84
5 320
6 1262
7 5098
8 21051
9 87729
10 371394
11 1584946
12 6832849
13 29666458
14 129708627
15 570060258
16 2519251688
17 11178295951
18 49819703001
19 222797463880
20 999874253662
21 4500199157553
22 20313008617526
23 91912052460063
24 416903349368491
25 1894989864295280
26 8631524632718693
27 39387758710865188