# A148359 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 15
5 45
6 155
7 542
8 1966
9 7466
10 28640
11 112818
12 452793
13 1838031
14 7579723
15 31599165
16 132977936
17 565343035
18 2421524022
19 10449677575
20 45409673570
21 198464619163
22 872445045025
23 3854836942828
24 17111520704731
25 76299963048366
26 341577472122899
27 1534985507846434
28 6922480431094339