# A148654 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 6
4 24
5 64
6 234
7 753
8 2814
9 9631
10 36590
11 133154
12 508094
13 1892979
14 7412897
15 28214787
16 110971333
17 430260008
18 1715691772
19 6714923487
20 26987686029
21 107015958439
22 432609065273
23 1727698411048
24 7039239456777
25 28333176820004
26 115868253070447
27 469484246174260
28 1930438223562659