# A148758 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 7
4 28
5 81
6 352
7 1154
8 5208
9 18450
10 85202
11 317719
12 1489930
13 5762701
14 27316040
15 108584686
16 518762827
17 2106471761
18 10123531026
19 41810856886
20 201869469476
21 845355773410
22 4096563483555
23 17353296616714
24 84345572763846
25 360774559654579
26 1757889969930777
27 7581645820626841
28 37018777212600691