# A149627 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 15
4 67
5 251
6 1111
7 4665
8 20973
9 91881
10 418061
11 1883901
12 8689577
13 39803389
14 185200353
15 859052395
16 4030363759
17 18861149603
18 89009182663
19 419555644567
20 1990687934283
21 9435960182483
22 44955830165287
23 214099993546451
24 1023901137320951
25 4895129136430227
26 23481373814033759
27 112635951456766219