# A148589 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 6
4 20
5 55
6 196
7 639
8 2327
9 8256
10 30927
11 115956
12 447505
13 1732101
14 6831117
15 27059859
16 108748569
17 439260818
18 1790252423
19 7336642698
20 30255128337
21 125497752360
22 523152712624
23 2190695840636
24 9213349157790
25 38891208523916
26 164839756761025
27 700926280501146
28 2990200877058031