# A148944 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 9
4 29
5 103
6 393
7 1523
8 5985
9 24617
10 102357
11 430363
12 1838761
13 7931043
14 34615153
15 152208659
16 673421637
17 3003153451
18 13464915837
19 60712552141
20 275067241835
21 1251061909991
22 5715825705399
23 26206169918477
24 120562798767589
25 556428210284773
26 2574906598392645
27 11950271335525375
28 55598176180817699