# A348197 (b-file synthesized from sequence entry)
0 0
1 1
2 2
3 4
4 10
5 28
6 84
7 264
8 860
9 2880
10 9862
11 34392
12 121770
13 436688
14 1583146
15 5793216
16 21370806
17 79391536
18 296760222
19 1115327844
20 4212125662
21 15976390684
22 60833679424
23 232452408632
24 891060970152
25 3425639505624
26 13204738280326
27 51024408662932
28 197607503526934