# A148335 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 14
5 44
6 144
7 487
8 1690
9 5968
10 21410
11 77778
12 285486
13 1057276
14 3944582
15 14810725
16 55915246
17 212094912
18 807838800
19 3088078508
20 11842326972
21 45542436464
22 175586377976
23 678496358882
24 2627165030106
25 10191179906996
26 39599018198800
27 154099574168302
28 600506786025438
29 2343056952632564