# A148945 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 9
4 29
5 104
6 390
7 1482
8 5872
9 23670
10 96862
11 402409
12 1691824
13 7184785
14 30771333
15 132773241
16 577026236
17 2521811081
18 11077691844
19 48908119250
20 216832245702
21 964920349669
22 4309740197244
23 19311403519650
24 86782764283827
25 391070601747452
26 1766791977497850
27 8000592935633367
28 36308193503404528