# A148803 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 8
4 26
5 83
6 281
7 971
8 3417
9 12264
10 44438
11 162904
12 602266
13 2241764
14 8400548
15 31634918
16 119702435
17 454780012
18 1733848968
19 6631814922
20 25436402695
21 97810174385
22 376967520192
23 1455826275320
24 5632909116247
25 21831857984083
26 84746834213967
27 329439820828496
28 1282316672529298
29 4997344941893617