# A148903 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 8
4 32
5 101
6 417
7 1473
8 6355
9 23885
10 104937
11 411589
12 1836969
13 7422031
14 33475041
15 138309499
16 629036675
17 2644169269
18 12104444055
19 51586010082
20 237407217744
21 1023169675566
22 4729538714868
23 20573894111580
24 95454351607666
25 418509678131013
26 1947864101618615
27 8597770562922403
28 40126065061606563